Blocks

Harken 40mm Carbo Air Block w/Cam Cleat

40mm Carbo Air Block with Cam CleatLow-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...

SeaSure General Purpose Block

General Purpose BlockThe 19mm carbon fiber sheave block range is designed for use with abrasive ropes for high-load applications. The outer cage is manufactured from marine-grade 316 Stainless Steel with a hollow stainless steel rivet through the center...

Ronstan Series 20 Ball Bearing Block - Triple - Becket - Cam Cleat - 2-Axis Shackle Head

Series 20 Ball Bearing Block - Triple - Becket - Cam Cleat - 2-Axis Shackle HeadFeatures:Low frictionHigh static and dynamic load capacityLightweightPrecision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high...

Ronstan Series 60 Core Block™ - Single - Becket

Series 60 Core Block™ - Single - BecketCore Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to...

Ronstan Wire Block - Tubular Rivet Head w/Removable Nylatron® Sheave - 45mm (1-3/4") Sheave Diameter

Wire Block - Tubular Rivet Head w/Removable Nylatron® Sheave - 45mm(1-3/4") Sheave DiameterWire blocks have purpose designed narrow sheaves and grooves.Removal sheave for easy fitting and without cutting the wire terminationFeatures:Flared cheeks to...

Ronstan Series 55 BB Orbit Block, Double Becket Swivel

Series 55 BB Orbit Block, Double Becket SwivelLightweightKilogram for a kilogram of working load, BB and RT Orbit Blocks™ are the world’s lightest. The unique orbital design allows the bearing to only be in the active areas of the floating...

Harken 29mm Carbo Air Block w/Swivel

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...

SeaSure 25mm Double Block w/Becket

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...

Harken 40mm Carbo Block w/Spring & Eyestrap

40mm Carbo Block with Spring & EyestrapLow-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,...

Harken 45mm Triple Element Block w/ Swivel & Becket

45mm Triple Element Block with Swivel & BecketElement 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...

Ronstan Series 60 Ultimate Ratchet - Single

Series 60 Ultimate Ratchet - SingleThe extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 20:1 holding power. Unrivaled low weight is achieved by the use of a...

Harken 40mm Carbo Air Fiddle Block w/Swivel & Becket

40mm Carbo Air Fiddle Block with Swivel & BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working...