Welcome! Please Sign-In
Top Sellers
300 Series Fairlead Block, Fixed Style, 2-7/32" x 3/4" from SCHAEFER
300 Series Fairlead Block, Fixed Style, 2-7/32" x 3/4" from SCHAEFER
Same as the Schaefer 200 Series fairlead blocks, but with twice the working load. Use #10 fasteners. Configuration: Lead block. Sheave: UV-stabilized white Delrin®. Ball Bearings: Delrin. Sheave Size: 1-7/16" (37mm). Line Diameter: 7/16". Cheek Material/Finish: Polished stainless.
Exit Box Style, 7/8" Sheave Dia., 1/8" Max. Line, 350lb. SWL, 1.1oz. from RONSTAN
Delrin Sheave, 1/2" Max. Line Dia., 1-7/16" OD, 3/8" ID, 5/8" Width from SCHAEFER
Delrin Sheave, 1/2" Max. Line Dia., 1-7/16" OD, 3/8" ID, 5/8" Width from SCHAEFER
Schaefer sheaves are designed to be compatible with Schaefer products, and are not intended for use in other manufacturer's blocks. Delrin sheaves are injection molded with UV inhibitors and monitored molding cycles for a stronger product.
Series 60 Orbit Block, Single Light-Load, 2-3/8" Sheave Size, 1,710lb. SWL, 4.7oz. from RONSTAN
Series 60 Orbit Block, Single Light-Load, 2-3/8" Sheave Size, 1,710lb. SWL, 4.7oz. from RONSTAN
These exceptionally strong blocks feature the performance Orbit sheave with captive Acetal ball bearings for side thrust loads, eliminating the need for side retainer plates. The 75mm webbing block (RF79107) can be used where swivel head and shackle attachment is not required to achieve further weight savings. Sheave Size: 2-3/8" (60mm) or 3" (75mm). Line Diameter: Series 60: 1/2" (12mm), Series 75: 9/16" (14mm). Cheek Material/Finish: Anodized aluminum.
Large Dinghy Snatch Block, 9/16" Line Dia., 40mm Sheave Dia., 1300 SWL from HOLT ALLEN
Large Dinghy Snatch Block, 9/16" Line Dia., 40mm Sheave Dia., 1300 SWL from HOLT ALLEN
Glass-filled nylon cheeks with 316 stainless straps increase working efficiency more than 50% with minimal weight increase. Stainless ball bearings in a polypropylene cassette. For spinnaker sheet, jib sheet turning blocks, etc. Cheek Material/Finish: Glass filled nylon. Ball Bearing: Stainless ball bearings. Opening: Hinged cheek/axle.
PLB Dive Canister from MCMURDO
PLB Dive Canister from MCMURDO
It is designed to protect the Fastfind PLB range from the harsh diving environment. Turned from a solid block of marine grade aluminium, anodised to 25 microns and pressure tested to 150mtrs (500ft), the canister is designed to be opened at the surface allowing quick and easy access. The double ring seal protects the threads providing watertight integrity to 15atm, preventing ingress of sand or other debris, and a convenient nylon clip is provided to attach the Canister.
Series 40 Ratchet Block, Single/Cleat, 385lb. SWL, 3.4oz. from RONSTAN
Series 40 Ratchet Block, Single/Cleat, 385lb. SWL, 3.4oz. from RONSTAN
Practical Sailor's Ratchet Block Click-Off rated Ronstan's Orbit block "Overall, the most impressive with its grip, versatility, and lightweight design. " The newest addition to Ronstan’s Orbit range of super lightweight, fiber-reinforced blocks. Ideal for sheet applications on dinghies up to 16' and control line applications for small keel boats. There are two styles of Series 40 ratchet blocks. Many of the top Grand Prix Laser sailors are switching to Orbit blocks.
Ratchet Orbit Block, Cheek, Counter-Clockwise, 550lb. SWL, 2.7oz. from RONSTAN
Ratchet Orbit Block, Cheek, Counter-Clockwise, 550lb. SWL, 2.7oz. from RONSTAN
Practical Sailor's Ratchet Block Click-Off rated Ronstan's Orbit block "Overall, the most impressive with its grip, versatility, and lightweight design. It can be set at a 0 or 90 degree orientation, provides stress-free articulation without allowing the block to over-rotate, and is locked in place with a security clip that doesn’t require tools to fit. The Dyneema link is also more compatible with carbon, Dyneema and webbing connection points than steel loop tops or shackles.
60mm Racing Fiddle Block with Becket & Cleat, 882lb. SWL, 12.4oz. from LEWMAR
60mm Racing Fiddle Block with Becket & Cleat, 882lb. SWL, 12.4oz. from LEWMAR
For chafe-free, low-friction tackles. Sheave: Anodized aluminum alloy . Ball Bearings: Delrin® . Sheave Size: 2-3/8" (60mm) & 1-5/8" (40mm) . Line Dia. : 3/8" max. . Cheek Material/Finish: Anodized aluminum alloy . Shackle/Strap Type: Swivel with three-way locking, drilled-out head . Cleat: Model with cleat: adjustable arm, aluminum cam cleat .
29mm Carbo Clew Block Assembly from HARKEN
29mm Carbo Clew Block Assembly from HARKEN
From the folks who invented ball bearing blocks, this line of blocks boasts an excellent strength-to-weight ratio. 29mm doubles and triples feature a U-lock to hold the swivel in the front or side position, or allow it to spin freely. Use the 40mm blocks for jib and mainsheet systems on high-performance dinghies, and for high-load control lines on small keelboats. The 57mm blocks have an enormous working range that makes them ideal for main and jib sheets, spinnaker halyards and control lines.
57mm Black Magic AirBlock, High-Load Strap Head with Becket, 2,500lb. SWL, 3.6oz. from HARKEN
57mm Black Magic AirBlock, High-Load Strap Head with Becket, 2,500lb. SWL, 3.6oz. from HARKEN
Strong, lightweight aluminum blocks for offshore boats Used for sheets, halyards, running backstays and control lines on offshore boats, these strong, lightweight blocks are made of sculpted aluminum with Torlon rollers and carbon black balls for strength and UV protection. Cheek Material/Finish: 6160-T6 Hardkote anodized aluminum . Sheave Size: 57mm (2-1/4") . Construction: Three fasteners for quick disassembly. Plastic isolators separate dissimilar metals. Three-way head system.
Series 60 Ratchet Block, Head Post Locking Kit from RONSTAN
Series 60 Ratchet Block, Head Post Locking Kit from RONSTAN
Ser60 Rcht Blck, Lck Kt|SER60 RCHT BLCK LCK KT.
Deck Plate, 3-3/8"dia. x 1-15/16"H, 2,250lb. SWL from SCHAEFER
FastFind 210 GPS Personal Location Beacon from MCMURDO
FastFind 210 GPS Personal Location Beacon from MCMURDO
Free FastFind Float Sleeve. A $24. 99 value. With your purchase of a FastFind210 GPS PLB. Call 1-800-Boating to Purchase. Get found fast with a PLB as small as a mobile telephone—no subscription fees required. Transmits a unique emergency message identifier to pinpoint your location to within ten feet anywhere in the world in as little as five minutes. Weighs just 5. 3oz. —as small as an average mobile phone . No subscription fees required .
Hi-Load Ti-Lite Car, Torlon Bearings, 850lb. SWL from HARKEN
Hi-Load Ti-Lite Car, Torlon Bearings, 850lb. SWL from HARKEN
These lightweight, solid aluminum and compact captive ball (CB) travelers are built to handle very high loads. Captive ball bearings let you roll the cars on and off the track without using a ball loader. Boat Size: Dinghies, multihulls, to small offshore boats. Material: One-piece solid aluminum . Shackle: Pivoting toggle models—fasten control blocks directly to post without needing a shackle. Sheave: Fixed sheave models—mainsheet loads 40° or less from vertical.
Boat Covers

Select your boat manufacturer:

Please Choose a Model Year:   

Home -> Safety -> PLBs, Home -> Sailboat -> Blocks -> Sheaves

Home -> Paint & Maintenance -> Cleaners, Soaps & Polishes->Fiberglass Boat Cleaner 920
Home -> Engine Systems -> Engine Lubrication->Power Tilt & Trim Fluid
Home -> Safety -> PLBs, EPIRBs, Life Rafts, Survival->ISAF-Specification Racer Life Rafts
Home -> Sailboat -> Cleats & Stoppers->Rope Stoppers
Home -> Plumbing -> Fittings & Valves->Spare Deck Fill Caps
Home -> Plumbing -> Marine Sanitation->Head & Holding Tank Neutralizer & Flush
Home -> Paint & Maintenance -> Winterizing & Storage -> Winter Covers->Dr. Shrink's Shrinkwrap
Home -> Safety -> PLBs, EPIRBs, Life Rafts, Survival->Tri-Lens Radar Reflector - 12"W x 6"H
Home -> Safety -> PLBs, EPIRBs, Life Rafts, Survival->Offshore Commander™ Life Rafts
Home -> Paint & Maintenance -> Winterizing & Storage -> Winter Covers->Heat Shrinkwrap Tape
Home -> Paint & Maintenance -> Winterizing & Storage -> Winter Covers->Shrinkwrap Preservation Tape
Home -> Plumbing -> Bilge Pumps->Manual Waste Pump Accessories
Home -> Sailboat -> Rigging Products->Hogrings for Shock Cord
Home -> Sailboat -> Blocks -> Blocks->57mm Black Magic® AirBlocks®
Home -> Safety -> PLBs, EPIRBs, Life Rafts, Survival->Bluewater ISAF-Approved Life Rafts
Home -> Safety -> PLBs, EPIRBs, Life Rafts, Survival->SmartFind EPIRBs
Home -> Foul Weather Gear & Jackets -> Jackets & Fleece->Men’s Kizuna Mountain II Sweater
Home -> Cabinet & Deck Hardware -> Deck Plates & Storage->Console Glove/Storage Box
Home -> Paint & Maintenance -> Winterizing & Storage -> Winter Covers->Woven Cord Strapping
Home -> Safety -> PLBs, EPIRBs, Life Rafts, Survival->EchoMax Radar Reflectors
Home -> Plumbing -> Bilge Pumps->Heavy-Duty 1600, 2200 & 4000 GPH Pumps
Home -> Foul Weather Gear & Jackets -> Jackets & Fleece->Women's Pearl Plush Jacket
Home -> Safety -> PLBs, EPIRBs, Life Rafts, Survival->Satellite2™ 406 MHz Category I & Category II GPS-Enabled EPIRBs
Home -> Plumbing -> Bilge Pumps->PWC Compact Submersible Bilge Pumps
Home -> Paint & Maintenance -> Winterizing & Storage -> Winter Covers->REBAG® Recyling Bag
Home -> Engine Systems -> Engine Lubrication->High-Viscosity Lower Unit Lube
Home -> Ventilation -> Air Conditioning & Cooling->Cabin Mate Duct Kits
Home -> Safety -> PLBs, EPIRBs, Life Rafts, Survival->Coastal Life Rafts
Home -> Anchor & Docking -> Anchor Line & Dock Line
Home -> Sailboat -> Blocks -> Sheaves, Parts & Bases->Series 55 Orbit Block™ Accessories
   Company History
   Mission Statement
   Press Room
   Careers at West Marine
   Affiliate Program
   Annual Catalog
   Store Locator
   And More...
   Stock Price
   Press Releases
   SEC Filings
   Email Alerts
   Analyst Coverage
   Management Team
   Financial FAQ
   And More...
   Terms Of Use
   Returns/Exchanges
   Privacy Policy
   Contact Us
   Site Map
   Annual Catalog
   Product Recalls
   And More...
Product offering and prices listed on this website (www.westmarine.com) are limited to Internet and phone orders (1-800-BOATING). Prices on periodic web-only specials apply only to Internet orders. Product offering and/or prices may vary at West Marine retail stores. ©2009 West Marine | All Rights Reservedpics11