Blocks - Single

Harken 60mm Aluminium Element Foot block 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 of metal...

The patent-pending T2 Ratchamatic is Harken’s newest block to feature the T2 line’s styling and soft-attachment system. The weight of this high-strength block is only a few ounces. This is thanks to composite fibre-reinforced sideplates,...

Ronstan Series 75 Single Sheave Industrial Pulley Block with Becket Single block with 75mm (3") sheave, becket, swivel shackle head and black powder coated 316 stainless steel side plates. Features Load rated. Fully articulating...

Harken 40mm Pivoting Lead Block - Carbo-Cam® Cleat High-strength pivoting lead blocks with cams are used for halyard controls on larger keelboats and as “headknockers” on dinghies and beachcats for sheeting directly from the boom. Hole...

Ronstan Series 40 Ball Bearing Exit Block 40mm Acetal Sheave, Anodised Aluminium Housing, Requires 2x 6mm (1/4") Fasteners Exit Blocks minimise friction in lines passing through the deck or exiting masts and booms. The RF45711 exit block...

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...

Ronstan Ball Bearing Orbit Blocks, Series 40 - Single, Becket, Cleat, Swivel Head Features: Ultra Lightweight Low friction 2-stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance...

Harken 60mm Aluminium Element Block - Swivel, Becket Element blocks introduce sideplates that combine forged aluminium and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum...

Ronstan Series 40 Ball Bearing Exit Block, Narrow 40mm Acetal Sheave, Anodised Aluminium Housing, Requires 2x 6mm (1/4") Fasteners. Reduced width sheave box for lower load applications. Exit Blocks minimise friction in lines passing through the...

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...

Ronstsn Series 40 Ball Bearing Loop Top Block, Single Single alloy sheave with removable clevis pin loop top Features Low friction Torlon® ball bearing system. Lightweight. Cheek cut-outs for easy bearing maintenance. Oversize...

Harken 57mm Ratchet Block - Swivel Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. On/off switch operates from both sides. Standard grip: medium/light air; 10:1 holding...

Riley 57mm Ball Bearing Block with Cam Cleat – Port (950 Series). Lever for Ratchet or Free Running Fixed or Swivel head Single Sheave – Composite Plastic Cam Cleat:Fixed or Swivel Mounting Method: Single – Hardcoat...

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...

Harken 40mm Ratchet Block with Swivel, Becket Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. 2608, 2609, and 2614 have on/off switches Part Number Sheave Dia...

Harken 29mm Pivoting Lead Block - Cam-Matic Cleat High-strength pivoting lead blocks with cams are used for halyard controls on larger keelboats and as “head knockers” on dinghies and beachcats for sheeting directly from the boom. Hole...

Lewmar HTX Single Toghead 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 enhanced reliability,...

Ronstan Series 75 Single Sheave Industrial Pulley Block Single block with 75mm (3") sheave, swivel shackle head and black powder coated 316 stainless steel side plates. Features Load rated. Fully articulating head/attachment...

Ronstan Series 30 High Load ILCA® Top Vang Block with Becket High load stainless steel single sheave block with becket and vang key. High load blocks are designed specifically for any application where high dynamic or static loads are expected...

Ronstan Series 30 Ball Bearing Loop Top Block, Single Single loop top, clevis pin head, alloy sheave, Torlon® balls. Alloy sheaves running on Torlon® ball bearings provide high performance & low friction. Features Low friction...