Blocks - Single

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 45mm 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...

Ronstan Series 30 High Load Ball Bearing Loop Top Block, Single High Load stainless steel single sheave ILCA® Top Vang Block. No Vang Key Included. Features Lowest friction ILCA® top vang block available Low profile design Available with vang...

Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range. Head can be locked at 0° or 90° by engaging the...

Harken 57mm 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...

Features: Up to 14:1 holding power - highest available! Smooth easing of sheets Fully Automatic load sensing ratchet engagement Swivel shackle head for unlimited block rotation. Stainless steel shackle head and compatibility with sharp fixing...

Ball Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball...

Ronstan Series 30 Ball Bearing Exit Block, High Load 30mm stainless steel sheave in a single piece sheave box for high load applications Exit and sheave boxes are ideal for applications where lines need to be led through decks, bulkheads or spars...

Wichard Stainless Steel Snatch Block Stainless steel block.  Multi purpose applications.  High durability.  Applications  Changing sheets.  Spinnaker sheet deflector blocks.  Captions Working load (WL) : for nautical...

Riley Block Hardcoat Anodised Aluminium Ratchet Single - Starboard (950 Series) Lever for Ratchet or Free Running Fixed or Swivel head Single Sheave – Hardcoat Anodised Aluminium Part Number Length Becket Breaking Load Max...

Ronstan Series 60 Single Industrial Pulley Block with Bolt Head & Becket Single block with 60mm (2 3/8") sheave, bolt head, becket and black powder coated 316 stainless steel side plates. Features Load rated Durable, low friction...

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. Part...

Riley Single Sheave Swivel Mounting Becketted Sheet Block with Cam Cleat 60mm Becketted Sheet Block with Cam Cleat Single Sheave, Swivel Mounting Stainless Steel ball bearing Breaking Load: 1650kg Ferrule Bore: Stainless Steel Ball...

Wichard Single Plain Bearing Block with Swivel Snap Shackle Withstand high loads.  Ideal for static operations.  The sheave runs on the stainless steel bush.  Light cheeks protecting the sheave.  Wide choice of fastenings...

Davey Bronze Blocks Exquisite small polished bronze blocks or pulleys in a beautiful tear-drop style, manufactured in the UK by Davey & Co. These blocks have brass sheaves. These bronze pulleys are popular for use on balcony sun-shades or awnings in...

Harken 29mm Exit Bullet Block - Stainless Steel Coverplate 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...

57mm Ball Bearing Block with Becket – Port Lever for Ratchet or Free Running Fixed or Swivel head Part Number Sheave Material Length Becket Breaking Load Max Line Size RLY-PYF951 Composite...

Wichard Single Plain Bearing Block with Swivel Head Becket & Cam Complete range of plain bearing blocks.  Modern design.  Withstand high loads.  Ideal for static operations.  The sheave runs on the stainless steel bush...

Riley Single Sheave Swivel Mounting, 60mm Sheet Block with Cam Cleat Single Sheave, Swivel Mounting. Comes with saddle over cleat (not shown in photo) Stainless Steel ball bearing Breaking Load: 1650kg Ferrule Bore: Stainless Steel Ball...

The high-strength composite T2 is the first block with no metal shackles or rivets. It is used for traveller controls, main sheets and vangs, cascades, bridles, and other systems where small, lightweight blocks are called for.  The T2 Loop’s...