Blocks - Single

The patented 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. Unrivalled low weight is achieved by the use of a Torlon® ratchet pawl, high...

Harken Hexaratchet Block, 76mm - Becket, Port Hexaratchets® grip loaded sheets, yet allow sailors to ease and trim quickly and with complete control. A switch on the side engages and disengages the ratchet mechanism. Part...

Designed from the outset to deliver outstanding performance, these blocks achieve the highest ratings for dynamic load vs sheave diameter in our keelboat block range. They are built to perform and built to last. Every SA Block features fully machined,...

A balanced design approach incorporating functionality, performance and style makes the Series 100 Core Blocks™ the right choice for performance cruising or racing applications. A full contact bearing provides excellent performance across the full...

Davey Swivel Stand-Up Wooden Block - Single Beautifully produced from ash timber and high-grade 316 stainless steel, these stand-up blocks from Davey & Co. are available in three sizes.   A tufnol sheave rotates on a stainless steel spindle,...

Harken 57mm Ratchet Block - Swivel, Becket, Cam Cleat Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Note: Maximum working loads and breaking loads for blocks are based on cam...

A balanced design approach incorporating functionality, performance and style makes the Series 100 Core Blocks™ the right choice for performance cruising or racing applications. A full contact bearing provides excellent performance across the full...

Harken 57mm Ratchet Block - Swivel, Cam Cleat Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Note: Maximum working loads and breaking loads for blocks based on cam strengths...

Core 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 handle high dynamic or static loads...

Mid range blocks robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on a ball bearing system for fast trim and release under any load. Note: DO NOT use Harken equipment...

Mid range blocks robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on a ball bearing system for fast trim and release under any load. Note: DO NOT use Harken equipment...

The patented 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. Unrivalled low weight is achieved by the use of a Torlon® ratchet...

Harken 75mm Ratchamatic Block - Swivel, Becket The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and...

Harken Aluminium ESP Foot block - Lock off Cruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or...

Harken 80mm Aluminium Element Block - Swivel, Becket Element 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...

Harken 75mm Ratchamatic Block - Swivel, 1.5x Grip Power3 ratchet blocks provide sailors that race small one-designs with three holding-power options to handle a variety of wind and sea conditions. More choices allow sailors to fine-tune their set-ups in...

Harken 75mm Ratchamatic Block - Swivel, 2x Grip Power3 ratchet blocks provide sailors that race small one-designs with three holding-power options to handle a variety of wind and sea conditions. More choices allow sailors to fine-tune their set-ups in...

Lewmar HTX Single with Fiddle and Cam Block. Suitable for cruising through to performance yachts, the HTX range has been designed and manufactured to use a minimal number of alloy, stainless steel and plastic reinforced parts to provide...

Harken 75mm Aluminium ESP Block - Swivel, Becket Cruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards...

Harken 57mm Block - Swivel, Becket, Cam Cleat Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe,...