Blocks

Series 20 Ball Bearing Block - SingleFeatures:Low frictionHigh static and dynamic load capacityLightweightPrecision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low frictionApplications:Dinghy...

Size 2 Single Swivel BlockA strong, lightweight range of blocks for use on dinghies and dayboats or as lead blocks on larger craft. Size 2 - Single Swivel Block.

25mm Single Block with ShackleThe 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...

29mm Single Bullet Block with BecketLow-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line...

25mm Single 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...

Hasp & Staple 52mmThis hinge was fabricated from marine-grade 316 stainless steel and electro-polished for a long-lasting high finish. Features:The pins of the hinges and staple are welded in place for added securitySpecifications:Closed...

Half Back Flap Hinge - 106mmThis hinge was fabricated from marine-grade 316 stainless steel and electro-polished for a long-lasting high finish. Features:The pins of the hasps and staples are welded in place for added securitySpecifications:Length:...

Small Mast or Deck EyeThis eye plate is manufactured from 316 Stainless Steel and underwent multiple machining and finishing operations to ensure it has a smooth finish and is free of damaging sharp corners and burs. Features:Electropolished to...

16mm Forkhead BlockThe 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)...

Pad Eye Plate 46mm x 46mmThis eye plate is manufactured from 316 stainless steel and underwent multiple machining and finishing operations to ensure it had a smooth finish and was free of damaging sharp corners and burs.Features:Electro-polished to give...

Series 30 Utility Block- Cheek, Curved BaseFeatures:Lightweight durable constructionEconomicalMaintenance freeProduct Information:Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance.Applications:Vang,...

29mm 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...