Marine Products

KeelGuard® - 7' - CharcoalThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the fiberglass...

Pro-Series Generation 3 Gasket Kit Replacement gasket kit forPro-Series Genration 3 windleasses.Compatible With:Pro-Series Generation 3 windlass*Sold as an Individual  Manufacturer : Lewmar Manufacturer Part No : 66000759 UPC : 743683306990

KeelGuard® - 4' - CharcoalThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the fiberglass...

KeelGuard® - 5' - CharcoalThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the fiberglass...

Pro-Series Generation 3 Motor Kit - 12V Replacement 12 V motor for Pro-Fish and Pro-Series windlasses.Compatible With:Pro-Fish and Pro-Series (700/1000) windlasses.*Sold as an Individual Manufacturer : Lewmar Manufacturer Part No : 66000763 UPC :...

Gusher Titan Manual Bilge Pump Thru Deck/BulkheadGusher Titan is Whale's tough lightweight proven pump. A design that has been tried tested and trusted by sailors for decades.Whale's high performance lightweight model.FeaturesHigh flow rate: 105 ltrs (28...

Gusher Titan Manual Bilge Pump On Deck MountGusher Titan is Whale's tough lightweight proven pump. A design that has been tried tested and trusted by sailors for decades.Whale's high performance lightweight model.FeaturesHigh flow rate: 105 ltrs (28 US...

Whale Compac 50 Manual Bilge Pump thru Deck/Bulkhead MountDesigned for confined spaces where you have limited space to fit your pump.COMPAC 50 compact design easily installed in tight bilge spaces where other pumps simply cannot fit.Low Profile Compact...

MK5 Universal Manual Bilge PumpSince the 1940s Whale engineers have refined our manual bilge pump designs and completed extended life testing - the result? Whale's iconic manual bilge pump range.This clever bilge pump design allows great versatility in...

Babyfoot Manual Galley Foot Operated PumpWhale's manual galley pumps are truly design classics. Since the 1960s these manual pumps have been designed, refined and manufactured by our skilled UK based workforce.Self-priming foot pump designed for easy...

Gulper 220 Grey Waste Pump 24VGulper valve technoloogy handles shower waste such as hair and gel. No clog, no filter waste pump built on more than a decade of market leading pump technology.FeaturesUp to 14 ltrs (3.7 US gals) per minuteWill run dry...

6' T-Shade T-Top Shade Extension - WhiteAdd valuable shade and rain protection to your T-Top and extend your day on the water. Our T-Shade™ mounts easily to the T-Top with adjustable straps. Suction cups are also provided to easily mount the T-Shade™ to...

Gulper 220 Grey Waste Pump 12vGulper valve technoloogy handles shower waste such as hair and gel. No clog, no filter waste pump built on more than a decade of market leading pump technology.FeaturesUp to 14 ltrs (3.7 US gals) per minuteWill run dry...

KeelGuard® - 8' - YellowThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the fiberglass...

KeelGuard® - 9' - YellowThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the fiberglass...

V700 Fall Safe Kit Fall Safe kit for Lewmar V700 windlass.Compatible With:Lewmar V700 windlassIn the Box:Fail Safe Lever Fail Safe Shoulder ScrewFail Safe SpringFail Safe PawlMounting Screw*Sold as an Individual  Manufacturer : Lewmar Manufacturer Part...

V700 Driveshaft Kit Replacement kit for V700 driveshaft. Compatible With:V700 Windlass*Sold as an Individual Manufacturer : Lewmar Manufacturer Part No : 66000609 UPC : 743683327087

1" x 50' Box VAC XHD Sanitation Hose - Hard PVC Helix - WhiteTrident Ply Extra heavy-duty sanitation hose of smooth white vinyl. Specially compounded to provide excellent resistance to odor permeation and (FDA) potable water fill. Also for the critical...

Pro-Fish Stopper Kit Replacement stopper kit for Pro-Fish series windlasses.Compatible With:Pro-Fish windlasses*Sold as an Individual  Manufacturer : Lewmar Manufacturer Part No : 66000617 UPC : 743683327155

KeelGuard® - 10' - YellowThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the fiberglass...

Manual Recovery Pawl Kit Replacement parts for the Lewmar V2 and V3 windlass pawls.Compatible With:V2 and V3 windlasses*Sold as an Individual  Manufacturer : Lewmar Manufacturer Part No : 66000628 UPC : 743683328534

1-1/2" x 50' Box VAC XHD Sanitation Hose - Hard PVC Helix - WhiteTrident Ply Extra heavy-duty sanitation hose of smooth white vinyl. Specially compounded to provide excellent resistance to odor permeation and (FDA) potable water fill. Also for the...

KeelGuard® - 11' - YellowThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the fiberglass...

3/4" x 50' Heavy Duty PVC Bilge & Livewell Hose (FDA) - Clear with Black HelixTrident Smooth extra heavy wall vinyl (FDA) well hose. All clear (see thru) with black helix. Excellent durability, flexibility & bend radius for XHD bilge, live well, drain,...

KeelGuard® - 6' - Hunter GreenThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the...

KeelGuard® - 7' - Hunter GreenThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the...

1-1/2" x 50' VAC XHD Bilge & Live Well Hose - Hard PVC Helix - BlackTrident VAC XHD Bilge and Live Well Hose. Helical PVC reinforcement provides excellent flexibility and bend radius for live well and heavy-duty bilge applications. It has a smooth outer...

1-1/8" x 50' VAC XHD Bilge & Live Well Hose - Hard PVC Helix - BlackTrident VAC XHD Bilge and Live Well Hose. Helical PVC reinforcement provides excellent flexibility and bend radius for live well and heavy-duty bilge applications. It has a smooth outer...

KeelGuard® - 4' - Hunter GreenThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the...

3/4" x 50' VAC XHD Bilge & Live Well Hose - Hard PVC Helix - BlackTrident VAC XHD Bilge and Live Well Hose. Helical PVC reinforcement provides excellent flexibility and bend radius for live well and heavy-duty bilge applications. It has a smooth outer...

KeelGuard® - 5' - Hunter GreenThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the...

Stainless Steel Short Side Door Hinge - Stamped PackagedThese Short Side Door Hinges are great for interior and exterior applications such as cabinets, hatches, folding tables, or seats where mounting space is tight. Constructed of corrosion resistant...

5/8" x 50' Boxed Type A2 Fuel & Vent Line Hose - BlackTrident 5/8” A2 Fuel Hose for gasoline vent hose (including ethanol blends) and diesel (including bio diesel blends). This hose is built with the best fuel, fire and age resistant formulation...

KeelGuard® - 7' - BlueThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the fiberglass...

Generation 3 Pro-Series Compound Gear Kit Compound gear assembly for generation 2 Pro-Series, Pro-Fish and 700/1000 series windlasses.Compatible With:Generation 3 Pro-Series, Pro-Fish and 700/1000 series windlasses*Sold as an Individual Manufacturer :...

5/16" x 50' Boxed Low Permeation Type A1-15 Fuel Line Hose - BlackTrident Barrier Lined A1-15 Fuel Hose for both gasoline (including ethanol blends up to 85%) and diesel (including bio diesel blends up to B100). This hose is built with the best fuel,...

3/8" x 50' Boxed Low Permeation Type A1-15 Fuel Line Hose - BlackTrident Barrier Lined A1-15 Fuel Hose for both gasoline (including ethanol blends up to 85%) and diesel (including bio diesel blends up to B100). This hose is built with the best fuel,...

KeelGuard® - 4' - BlueThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the fiberglass...

1-1/8" x 50' Heavy Duty PVC Bilge & Livewell Hose (FDA) - Clear with Black HelixTrident Smooth extra heavy wall vinyl (FDA) well hose. All clear (see thru) with black helix. Excellent durability, flexibility & bend radius for XHD bilge, live well, drain,...

KeelGuard® - 5' - Blue The Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the fiberglass...

3/8" x 50' Boxed Barrier Lined B1-15 EPA Compliant Outboard Fuel Line Hose - GrayThis hose is built with the best fuel and age-resistant formulations and a unique "Barrier Liner" on the inside surface of the tube, so the fuel is not in direct contact...

Generation 3 Pro-Series Gears and Shaft Kit Gears and shaft kit for Generation 3 Pro-Series windlasses.Compatible With: Pro-Series Generation 2 windlasses*Sold as an Individual  Manufacturer : Lewmar Manufacturer Part No : 66000761 UPC : 743683307072

V700 Combo Gypsy - 1/4" Replacement combo gypsy for V700 windlass - 1/4" (6 mm)Compatible With:V700 WindlassTechnical Specifications:Rope Size - 1/2" (12.7 mm) Chain Size - 1/4" (6.35 mm) *Sold as an Individual  Manufacturer : Lewmar Manufacturer Part...

V1/V2/V3 Gypsy and Stripper Kit (No. 000)Replacement gypsy and stripper for Lewmar V1, V2 and V3 windlasses and the obsolete model Concept 1 windlass. Compatible With: V1, V2, V3 and Concept 1 windlassesTechnical Specifications:Rope Size - 1/2" (13 mm)...

V1 Fast Fit Motor Gearbox Assembly - 12 VReplacement motor/gearbox assembly for V1 - 12 V windlasses.Compatible With: V1 windlasses*Sold as an Individual  Manufacturer : Lewmar Manufacturer Part No : 66810065 UPC : 743683331404

V1 Gypsy Only Fast Fit Deck Unit Replacement gypsy only Fast Fit deck unit for V1 Windlasses.Compatible With:V1 windlasses*Sold as an Individual Manufacturer : Lewmar Manufacturer Part No : 68000951 UPC : 743683329630

Cone and Washer Kit v/CPX and V Series Windlasses Replacement cones and washers for CPX and V series windlasses.Compatible With:CPX and V Series windlassesIn the Box:Cones x two (2)Washers x two (2) Instruction manual *Sold as an Indivudual Manufacturer...

Push-In Drain Plug f/1-1/2" Thru-Hull DrainsThese push-in drain plugs are used to stop water flow through drains or overflows from baitwell or livewell. Also work well as plugs for sink drains and built in cooler drains.Plugs are a perfect compliment...

Push-In Drain Plug for 1-1/8" Thru-Hull & All Purpose DrainsThese push-in drain plugs are used to stop water flow through drains or overflows from baitwell or livewell. Also work well as plugs for sink drains and built in cooler drains.Plugs are a...

Deck Hinge Nylon Pair - BlackFeatures:Large deck hinge NylonColor: BlackPair Manufacturer : Carver by Covercraft Manufacturer Part No : 7782B UPC : 081231294383

KeelGuard® - 11' - Hunter GreenThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the...

KeelGuard® - 8' - Hunter GreenThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the...

KeelGuard® - 9' - Hunter GreenThe Original Do-It-Yourself Keel Protector - Protect Your Investment Against Sand, Rocks & RampsWear and damage to your boat’s keel can break down its protective gelcoat finish, allowing water to reach and destroy the...

Mounting Bracket for TZT12F & TZT3TZT12F Mounting Bracket OP19-20 This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Manufacturer : Furuno Manufacturer Part No :...

Automatic Leveling Control - Single Actuator As wind shifts, water conditions change or passengers move about, the Automatic Leveling Control (ALC) will automatically adjust your trim tabs to maintain a level boat for a more comfortable and enjoyable...

90° Helm Fitting for UP SeriesTypical Application:Fitting for port/starboard line in the UP series helms prior to the boss fittingsSpecifications:1/4 NPT to 3/8 COMP FITTINGHelm Side = 1/4 NPTHose Side = 9/16 - 24 UNEF 2A Manufacturer : Uflex USA...

Complete Boss Fitting Typical Application:Bleed fitting for all outboard cylindersSpecifications:ORB, Size #6 to 3/8 COMP FITTINGCylinder Side = 9/16 - 18 UNF 2AHose Side = 9/16 - 24 UNEF 2A Manufacturer : Uflex USA Manufacturer Part No : BOSS FITTING...

Manual Leveling Control - Single Actuator The Lectrotab MLC-1 is a microprocessor based trim tab control that can move both tabs simultaneously at the touch of a single button.  It includes LED tab position indicators which will automatically dim in...

Flat Rocker SwitchLectrotab's new flat rocker switch has improved sealing to prevent water entry and recessed rocker to prevent breaking.  Specially designed to provide and "instant stop" circuit when the switches are released, thus preventing actuator...

Straight Helm Fitting 1/4 NPT for UP Comp Line & Autopilot Return LineFitting for the compensating line in the UP series helms or autopilot return line.Specifications:1/4 NPT to 3/8 COMP FITTINGHelm Side = 1/4 NPTHose Side = 9/16 - 24 UNEF 2A ...

Union T-Fitting f/3/8" Tube Compression Hose FittingsUnion T-Fitting for 3/8" TubeTypical Applications: T-Fitting for 3 standard 3/8" compression thread hose fittings Specifications:3/8 COMP FITTING ALL Sides = 9/16 - 24 UNEF 2A Manufacturer : Uflex USA...

DSM410 Protective CoverMaretron's DSM410 protective dust cover. Manufacturer : Maretron Manufacturer Part No : DSM410-DUST-COVER UPC : 873804004402

Tee Fitting with Bleed Nipple for IB & Stern Drive CylindersBleed fitting for all inboard and stern drive cylinders.Specifications:1/4 NPT to 3/8 COMP FITTINGCylinder Side = 1/4 NPTHose Side = 9/16 - 24 UNEF 2A Manufacturer : Uflex USA Manufacturer Part...

Quiet Flush E2 Fresh Water Toilet Compact Bowl - 12V - Soft Close LidFrom crowded charter boats to racing yachts and everything in between, the award-winning Jabsco Quiet Flush E2 marine toilet has been designed to solve some of the biggest marine waste...

Quiet Flush E2 Raw Water Toilet Compact Bowl - 12V - Soft Close LidFrom crowded charter boats to racing yachts and everything in between, the award-winning Jabsco Quiet Flush E2 marine toilet has been designed to solve some of the biggest marine waste...

Quiet Flush E2 Fresh Water Toilet Compact Bowl - 24V - Soft Close LidFrom crowded charter boats to racing yachts and everything in between, the award-winning Jabsco Quiet Flush E2 marine toilet has been designed to solve some of the biggest marine waste...

Quiet Flush E2 Raw Water Toilet Compact Bowl - 24V - Soft Close LidFrom crowded charter boats to racing yachts and everything in between, the award-winning Jabsco Quiet Flush E2 marine toilet has been designed to solve some of the biggest marine waste...

Rubber Coated Transducer, 1kW (No Plug)1 kW 50 kHz 28 degree Beam Angle 6.6 lbs. Rubber Coated - Chest, Housing or Tank Mounted 15-Meter Cable, no connector provided May be used for 75 kHz frequency setting feature, available only in FCV1100/1200 and...

1M Adapter Cable with Female 8-Pin Garmin Connector for Echonautics 300W, 600W & 1kW TransducersMix-n-match cable for use with Garmin units. Manufacturer : Echonautics Manufacturer Part No : CBCCMS0503 UPC : 010407340319

1M Adapter Cable with Male 8-Pin Black Box Connector for Echonautics 300W, 600W & 1kW TransducersMix-n-match cable for use with SI-TEX NavPro units. Manufacturer : Echonautics Manufacturer Part No : CBCCMS0501 UPC : 010407340302

1M Adapter Cable with Male 9-Pin Navico Connector for Echonautics 300W, 600W & 1kW TransducersMix-n-match cable for use with Navico units. Manufacturer : Echonautics Manufacturer Part No : CBCCMS0502 UPC : 010407340326

Bronze Low-Profile Thru-Hull Medium-Frequency CHIRP Transducer - 1kW, 18° Tilt, 85-135kHzEchonautics presents a range of powerful transducers from Dual Frequency CW to Low/Medium/High CHIRP and digital sensors, with excellent value for money. Technical...

Bronze Low-Profile Thru-Hull High-Frequency CHIRP Transducer - 600W, 18° Tilt, 130-210kHzEchonautics presents a range of powerful transducers from Dual Frequency CW to Low/Medium/High CHIRP and digital sensors, with excellent value for money. Technical...

Bronze Low-Profile Thru-Hull High-Frequency CHIRP Transducer - 600W, 12° Tilt, 130-210kHzEchonautics presents a range of powerful transducers from Dual Frequency CW to Low/Medium/High CHIRP and digital sensors, with excellent value for money. Technical...

Bronze Low-Profile Thru-Hull Medium-Frequency CHIRP Transducer - 600W, 12° Tilt, 80-130kHzEchonautics presents a range of powerful transducers from Dual Frequency CW to Low/Medium/High CHIRP and digital sensors, with excellent value for money. Technical...

Bronze Low-Profile Thru-Hull Medium-Frequency CHIRP Transducer - 600W, 18° Tilt, 80-130kHzEchonautics presents a range of powerful transducers from Dual Frequency CW to Low/Medium/High CHIRP and digital sensors, with excellent value for money. Technical...

Solid Teak HandrailsFour-Loop Handrail43"L x 2-3/8"H x 1"D Manufacturer : Whitecap Manufacturer Part No : 60106 UPC : 725060601065

Solid Teak HandrailsThree-Loop Handrail33"L x 2-3/8"H x 1"D Manufacturer : Whitecap Manufacturer Part No : 60104 UPC : 725060601041

Solid Teak HandrailsTwo-Loop Handrail23"L x 2-3/8"H x 1"D Manufacturer : Whitecap Manufacturer Part No : 60102 UPC : 725060601027

Solid Teak HandrailsOne-Loop Handrail13"L x 2-3/8"H x 1"D Manufacturer : Whitecap Manufacturer Part No : 60101 UPC : 725060601010

Teak Deck Steps8-3/4"L x 3-1/2"W x 1/2"H Manufacturer : Whitecap Manufacturer Part No : 60506 UPC : 725060605063

Teak Deck Steps11-1/2"L x 4-1/2"W x 1/2"H Manufacturer : Whitecap Manufacturer Part No : 60504 UPC : 725060605049

Teak Deck Steps15"L x 6"W x 1/2"H Manufacturer : Whitecap Manufacturer Part No : 60502 UPC : 725060605025

Solid Teak HandrailsSeven-Loop Handrail73"L x 2-3/8"H x 1"D Manufacturer : Whitecap Manufacturer Part No : 60112 UPC : 725060601126

Solid Teak HandrailsSix-Loop Handrail63"L x 2-3/8"H x 1"D Manufacturer : Whitecap Manufacturer Part No : 60110 UPC : 725060601102

ECI-100 Universal Engine & Control InterfaceThe ECI-100 Universal Engine and Control Interface is an innovative and affordable solution for bridging engine instrumentation and drive-by-wire steering with Raymarine autopilot and navigation systems. A...

Solid Teak HandrailsFive-Loop Handrail53"L x 2-3/8"H x 1"D Manufacturer : Whitecap Manufacturer Part No : 60108 UPC : 725060601089

iPhone RackOutside: 3-1/6"W x 4-3/16"H x 1"DInside: 2-1/2"W x 4"H x 1/2"DCharging cable cut-out in bottomHolds phone with or without protective casePre-drilled mounting holes Manufacturer : Whitecap Manufacturer Part No : 63272 UPC : 725060632724

Solid Teak Grab Handle1-3/8"W x 9-3/4"L x 2-1/4"HPre-drilled 3/16" mounting holesFasteners not includedMounts almost anywhere Manufacturer : Whitecap Manufacturer Part No : 60114 UPC : 725060601140

Teak Marine LumberDimensions:Thickness: 1/2"Width: 1-3/4"Length: 30"∗Sold as an Individual piece Manufacturer : Whitecap Manufacturer Part No : 60811 UPC : 725060608118

Cockpit International Gen II 4K RPM Tachometer with HourmeterCockpit International Gen II is the ideal instrumentation solution when performance and cost-effectiveness are both a high priority. Featuring high-quality components and rugged materials,...

Edge 55 - Latch & Door - Foot Control - 12V-55lb-45" *RemanufacturedEdge lets you step right up to treacherous stump fields, tangled weed beds, or punishing wind and waves. Big challenges like those usually mean bigger fish. And when you've got the...

PSS Shaft Seal 1-1/2" Shaft 2-1/2" TubeShaft Diameter: 1-1/2"Stern Tube Diameter (D): 2-1/2" to 2-5/8"Total Length (A): 9.175"Total Length (compressed) (Compressed A): 8.175"Rotor Diameter (B): 3.75"Carbon Cuff Diameter (C): 3.25"Stern Cuff Length (E):...

First Responder Water Helmet - Large/XL - BlackRescue professionals need gear that allows them to respond safely and quickly to emergency situations.For light-weight and comfortable protection.  The Ratchet system and chin cup provide a secure fit and...

Teak Marine LumberThickness: 1/2"Width: 1-3/4"Length: 36" Manufacturer : Whitecap Manufacturer Part No : 60812 UPC : 725060608125

Ambient Air Temperature Probe (-20°C to 80°C or -4°F to 176°F)WARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov. ...

Exhuast Gas Temperature Probe (0°C to 900°C or 32° to 1652°F)WARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov. ...

Teak Marine LumberThickness: 7/8"Width: 4"Length:36" Manufacturer : Whitecap Manufacturer Part No : 60818 UPC : 725060608187

First Responder Water Helmet - Large/XL - Hi-Vis YellowRescue professionals need gear that allows them to respond safely and quickly to emergency situations.For light-weight and comfortable protection.  The Ratchet system and chin cup provide a secure...

First Responder Water Helmet - Large/XL - RedRescue professionals need gear that allows them to respond safely and quickly to emergency situations.For light-weight and comfortable protection.  The Ratchet system and chin cup provide a secure fit and the...