Blocks

Series 40 Ball Bearing Block - Double - Swivel HeadFeatures:Low friction Acetal or Torlon® bearing systemLightweightCheek cut-outs for easy bearing maintenanceFeatures a swivel shackle head for full 360° rotationSheaves running on Acetal or...

Telescopic Cruiser ExtensionThe tiller extension is simple to adjust; simply twist the handle 90 degrees, and it slides open or closed. Once you have it to the length that is required, twist it back 90 degrees to lock it.Features:This telescopic cruiser...

25mm Double Block with BecketThe 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and...

Ratchet Block - 55mmThe Barton Ratchet Block is designed to be used on mainsheet systems and spinnaker sheets on dinghies and keelboats and for small yachts up to 30 feet.Combining high-performance engineering and contemporary design, the 2-3/16" (55 mm)...

Series 40 Orbit Single BB Single Stand-Up BlockThe Series 40 ball-bearing Orbit Blocks™ provides the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and static load ratings, the highest available in this...

60mm Element Triple BlockElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect...

57mm Carbo Block Flip Flop with CamSmall Boat Flip-Flop blocks pivot around the line axis to keep the line close to the deck. Hinged construction allows for various lead angles.Features:Sheave Ø (mm) 57 mmSheave Ø (in) 2 1/4 inMaximum line...

80mm Single Element Block Mastbase with SwivelElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of...

60mm Single Element Block Mastbase with SwivelElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of...

Series 20 BB Block Single Becket Option Lashing High LoadFeatures:Suits up to 4mm (5/32”) lashingSupplied with 750mm (30”) x 2mm (3/32”) diameter,Dyneema® single braid lashing line

75mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy...

16mm Block with BecketThe 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg)...