Blocks - Single

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...

Ronstan's All Purpose (AP) blocks are a great all-round solution. With Acetal polymer sheaves this single block with swivel and becket is available in 2 sizes. Features: 316 Stainless Steel polished bearing races, load straps and head...

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...

Rope Pulley Block 51mm x 19mm Delrin Sheave in Stainless Steel body. Sheet block Part Number Breaking Load RLY-RM015A 1800kg

Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Features: Lightweight durable construction Economical Maintenance free Allows fast, sure cleating of control lines. Applications: Vang,...

Wichard Stainless Steel Single Block - Aluminium Sheave Complete range of stainless steel blocks for dinghiesLightweight, reliable and good performanceAvailable in a wide range of size and fastening systems    Wire halayards, vangs,...

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...

Ronstan Series 30 Ball Bearing Exit Block 30mm Ball Bearing sheave box. Single piece housing. acetal ball bearings, acetal sheave. Exit and sheave boxes are ideal for applications where lines need to be led through decks, bulkheads or spars minimising...

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 Single Bullet with Becket 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...

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 range. SP...

Smallest and lightest ball bearing block available Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction Single loop head blocks include an O-ring to separate running line from head...

Ronstan Series 30 High Load Block, Loop Top Single, loop head. Suitable for use with wire or rope. Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire. Can...

Lewmar HTX Single with Fiddle and Becket 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...

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. Features: Low friction 2-stage ball bearing system...

38mm Ball Bearing Block – Swivel Top with Becket Single Sheave Cam Cleat: Swivel Part Number Length Becket Breaking Load Max Line Size RLY-PYF621 89mm 8mm 136kg 70mm

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. Features: Low friction Acetal or Torlon® bearing...

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

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...

Wichard Stainless Steel Single Block - Sheave 45 - For Mast Step - Clevis Pin Complete range of stainless steel blocks for dinghies Lightweight, reliable and good performance Available in a wide range of size and fastening...