Blocks - Cheek

Harken 29mm Cheek Block 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...

Harken 40mm Cheek Block 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...

Harken 75mm Cheek Ratchet Block Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing Please Note: Includes fasteners and mounting pad Part Number Sheave Dia...

Harken 40mm Cheek Block - 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...

Harken 40mm Cheek Ratchet Block 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 Please Note: Includes fasteners and mounting...

Harken 57mm Cheek Block 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...

Harken 57mm Cheek Ratchamatic Block 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...

Harken 75mm Cheek Ratchamatic Block 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...

Harken 32mm Car - Double Stand-Up Toggleheek Big Bullet Block, 38mm Low-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...

Harken 29mm Exit Bullet Block - Cam Cleat (Port, Starboard) Low-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...

Harken Cheek Block, 3" The 3.00 (76 mm) blocks are compact and lightweight, with fast trim and release under high or low loads. Perfect for dinghies, scows, beachcats and iceboats, as well as small offshore racers and cruisers. Note: Fasteners...

Harken Cheek Block, 2.25" The 2.25 in (57 mm) blocks are compact and lightweight, with fast trim and release under high or low loads. Perfect for dinghies, scows, beachcats and iceboats, as well as small offshore racers and cruisers. Note:...

Harken Cheek Hexaratchet Block - Starboard, 3" 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...

Harken Cheek Hexaratchet Block - Starboard, 3" 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...

Harken Cheek Bullet Block, 29mm Low-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 applications...

Harken Pivoting Cheek Bullet Block Low-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...

Harken Bullet Cheek Block for Wire Low-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 applications...

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 required to protect the sheave with a proven...

Features: Lightweight Highest working load in its class Secure, versatile attachment Low profile and compact Ultra low profile thru-sheave becket Low friction 2-stage ball bearing system provides consistent performance over the full working load...

Features: Up to 14:1 holding power - highest available! Smooth easing of sheets Clockwise rotation Fully automatic, load sensing ratchet engagement Recessed underside to suit curved mounting surface Low mounting points for maximum...

Features: Up to 14:1 holding power - highest available! Smooth easing of sheets Anti-Clockwise rotation Fully automatic, load sensing ratchet engagement Recessed underside to suit curved mounting surface Low mounting points for maximum...

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

Features: Up to 20:1 holding power Smooth easing of sheets High performance cleating Automatic & manual ratchet block Materials: Sheave: Anodised Aluminium Ball Bearings: High compression strength carbon black Acetal Frame/Cheeks:...

Features: Low friction High static and dynamic load capacity Lightweight Applications: Dinghy control lines Dinghy vangs Cunninghams Traveller controls Dinghy barber haulers Spinnaker pole launching systems Materials: Stainless Steel...

Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Features: Lightweight durable construction Economical Maintenance free Applications: Vang, cunningham and trapeze retriever systems on...

All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks...

 The highest strength-to-weight ratio  Minimal friction loss, especially when working at high loads  Totally reliable and trouble free performance  Simplicity of design and construction to facilitate maintenance and...

This cheek block from Ronstan is part of Ronstan's All Purpose Block - Series 40 collection. Cheek blocks are a low-profile solution for leading halyards and other sail controls back to cleats or jammers. A curved base plate is available for...

Tough UV-stabilised plastic pad with curved base for mounting Ronstan's AP Series 40 stainless steel cheek block. This mounting pad is curved to allow the cheek block to be attached to round surfaces such as masts and booms. SKUFasteningWeight ...

This 316 stainless steel cheek block from Ronstan is part of Ronstan's All Purpose Block - Series 40 collection. Cheek blocks are a low-profile solution for leading halyards and other sail controls back to cleats or jammers. A curved base plate is...

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 limited purchase systems on cruising boats...

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 limited purchase systems on cruising boats...

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 limited purchase systems on cruising boats...

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 limited purchase systems on cruising boats...

The TTR (Titanium Roller) AirBlock surpasses all other blocks with 98% efficiency, increasing trimming speed and harnessing power other blocks lose to friction.Sheave ∅ (mm)82mmLength (mm)112mmWeight (g)881gMaximum line ∅ (mm)16mmMaximum...

The TTR (Titanium Roller) AirBlock surpasses all other blocks with 98% efficiency, increasing trimming speed and harnessing power other blocks lose to friction.Sheave ∅ (mm)104mmLength (mm)144mmWeight (g)1281gMaximum line ∅ (mm)20mmMaximum...

The TTR (Titanium Roller) AirBlock surpasses all other blocks with 98% efficiency, increasing trimming speed and harnessing power other blocks lose to friction.Sheave ∅ (mm)62mmLength (mm)101mmWeight (g)431gMaximum line ∅ (mm)14mmMaximum...

The TTR2 (Titanium Roller) AirBlock® has evolved from Harken’s successful line of Titanium Roller Bearing blocks. Lightweight and strong, these compact load-bearing blocks are 98% efficient, harnessing power other blocks lose to friction...

Stainless side plates are mirror-polished for durability and unmatched aesthetics. The ultralight composite bearing system (ULC) rides on a heat-treated stainless steel inner race to handle extremely high loads. Note: DO NOT use Harken equipment...

Stainless sideplates are mirror-polished for durability and unmatched esthetics. The ultralight composite bearing system (ULC) rides on a heat-treated stainless steel inner race to handle extremely high loads.Sheave ∅ (mm)175mmWeight (kg)9...

Stainless sideplates are mirror-polished for durability and unmatched esthetics. The ultralight composite bearing system (ULC) rides on a heat-treated stainless steel inner race to handle extremely high loads.Sheave ∅ (mm)150mmWeight (kg)7...

Stainless sideplates are mirror-polished for durability and unmatched esthetics. The ultralight composite bearing system (ULC) rides on a heat-treated stainless steel inner race to handle extremely high loads.Sheave ∅ (mm)150mmWeight (kg)12...

Stainless sideplates are mirror-polished for durability and unmatched esthetics. The ultralight composite bearing system (ULC) rides on a heat-treated stainless steel inner race to handle extremely high loads.Sheave ∅ (mm)125mmWeight (kg)4...

Stainless sideplates are mirror-polished for durability and unmatched esthetics. The ultralight composite bearing system (ULC) rides on a heat-treated stainless steel inner race to handle extremely high loads.Sheave ∅ (mm)125mmWeight (kg)7...

Stainless sideplates are mirror-polished for durability and unmatched esthetics. The ultralight composite bearing system (ULC) rides on a heat-treated stainless steel inner race to handle extremely high loads.Sheave ∅ (mm)100mmWeight (kg)2...

Stainless sideplates are mirror-polished for durability and unmatched esthetics. The ultralight composite bearing system (ULC) rides on a heat-treated stainless steel inner race to handle extremely high loads.Sheave ∅ (mm)100mmWeight (kg)4...

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...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes. Note: DO NOT use Harken equipment for human suspension unless product is specifically...

The 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) maximum working load. Note: DO...

The 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) maximum working load. Note: DO...