Blocks - Single

Harken 40mm 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...

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. Captive Lock™...

The high-strength composite T2 is the first block with no metal shackles or rivets. It is used for traveller controls, mainsheets and vangs, cascades, bridles, and other systems where small,...

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...

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...

Riley Single Sheave Swivel Mounting Becketted Sheet Block, 60mm Single Sheave, Swivel Mounting Stainless Steel ball bearing Breaking Load: 1750kg Ferrule Bore: Stainless Steel Ball...

Harken Big Bullet Block, 38mm - Shackle 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...

Wichard Single Plain Bearing Block 55mm Sheave with Swivel, Clevis & Becket Complete range of plain bearing blocks.  Modern design.  Withstand high loads.  Ideal for static operations.  The sheave...

Harken 29 mm Wire Bullet Block - Swivel 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...

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. Captive Lock™...

Harken Single 38mm Big Bullet Block 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...

Features: Ultra Lightweight Low friction 2-stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating Swivel shackle head for...

Ronstan Series 20 High Load Ball Bearing Exit Block 20mm high load exit block with Grade 2205 stainless steel sheave. Features Grade 2205 stainless steel ball bearings for high strength and...

Wichard Stainless Steel Single Block 45mm Sheave Diameter for Mast Step Swivel with Clevis Pin Complete range of stainless steel blocks for dinghies.  Lightweight, reliable and good performance...

Harken 29mm Clew 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...

Harken Bullet Block - Swivel with Becket, 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...

Features: Ultra Lightweight Low friction 2-stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating Easily fitted and securely...

Features: Ultra Lightweight Low friction 2-stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating Easily fitted and securely...

Ronstan Series 40 Ball Bearing Stand-Up Orbit Block Single sheave stand-up block with saddle & spring included The new Series 40 ball bearing Orbit Blocks™ provide the perfect balance of strength,...

Ronstan Ball Bearing Orbit Blocks - Series 20 - Single, Becket Hub Option, Lashing, HHL Suits up to 4mm (5/32”) lashing Supplied with 750mm (30”) x 2mm (3/32”) diameter, Dyneema® single braid...