Blocks - Single

Harken 75mm Ratchet Block - Swivel, Becket Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing Part Number Sheave Dia. Length Weight Max. Line Dia. Max. Working...

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 Series 60 Single Industrial Pulley Block with Becket and Cleat Single block with 60mm (2 3/8") sheave, becket, cleat with 30° cleating angle, swivel shackle head and black powder coated 316 stainless steel side plates...

Harken 45mm Aluminium Element Block - Swivel, Becket, Cam Cleat 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...

Harken 5mm Ratchet 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 Ratchet 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...

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 light-air modes is seamless.  Part NumberSheave...

Ronstan Series 75 Single Aluminium Sheave Industrial Pulley Block Single block with 75mm (3") aluminium sheave with brass bearing and swivel shackle head. Suitable for use with wire or rope. Black powder coated 316 stainless steel side plates...

Ronstan Snatch Block Acetal Sheave 139mm LOA Single, swivel snap shackle head Spare Parts:  RF6160 Replacement Plunger Pin Kit Temporary leads for sheets and reefing on boats up to 12m (40ft). Spare or replacement block for geneal use on larger...

Ronstan Series 40 Ball Bearing Orbit Block with Cam Cleat Single sheave swiveling shackle head block with C-Cleat™ The new Series 40 ball bearing Orbit Blocks™ provide the perfect balance of strength, performance, and reliability. They...

Harken 75mm Block - Swivel, Becket 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, easy...

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 Hexaratchet Block - Swivel, Starboard 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. Use the 043 or 044 reverse...

90mm Plain Bering block can handle extremely high loads. The block features a self-lubricant bearing with Acetal busing. 316 L Stainless Steel Shackle and Rivet; all materrials are UV resistant and Anti-Corrosion. Note: This is a special order item...

Lewmar HTX Single with Fiddle 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...

Harken 60mm Aluminium Element Footblock - Lockoff 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...

Harken 60mm Aluminium Element Footlock - Lockoff, Left 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...

Ronstan Series 40 Ball Bearing Orbit Block, High Load Lashing Snatch Block High load lashing block with single stainless steel sheave and rotating cheeks for snatch block functionality. The new Series 40 ball bearing Orbit Blocks™ provide 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...

Features: Up to 20:1 holding power Smooth easing of sheets High performance cleating Materials: Sheave: Anodised Aluminium Ball Bearings: High compression strength carbon black Acetal Frame/Cheeks: Toughened, glass fibre reinforced...