Blocks

16mm AirBlocks offer very high working loads in an extremely small, lightweight block.These diminutive blocks feature a patented bearing system usi...

The 16mm is Harken's smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses ...

Wire blocks have purpose deisgned narrow sheaves and grooves.Applications:Wire blocks suit halyards, vang and backstay applications Materials:Grade...

Carbo AirBlocks© are 60% stronger and 30% lighter than our classic blocks. Use the 40 mm Carbo for jib and mainsheet systems on high-performance di...

The nylon-resin sideplates are densely packed with long-glass fibers for a compact block with a high strength-to-weight ratio. Sheaves spin on high...

Carbo AirBlocks© are 60% stronger and 30% lighter than our classic blocks. Use the 40 mm Carbo for jib and mainsheet systems on high-performance di...

Use ball bearing Bullet blocks to lead control lines with a minimum of friction. A wide range of variations let these versatile blocks adapt to alm...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

16mm AirBlocks offer very high working loads in an extremely small, lightweight block.These diminutive blocks feature a patented bearing system usi...

Springs are used to support blocks on padeyes, eye-straps, bases and traveller cars. Keeps blocks from hitting the deck. Features: A: 51mm B: 22mm ...

Self-contained sheaves are designed for sailors to use in custom applications.The Micro, Bullet and Big Bullet sheaves are Delrin with Delrin ball ...

Springs are used to support blocks on padeyes, eye-straps, bases and traveller cars. Keeps blocks from hitting the deck. Features: A: 64mm B: 35mm ...

Springs are used to support blocks on padeyes, eye-straps, bases and traveller cars. Keeps blocks from hitting the deck. Features: A: 25mm B: 19mm ...

16mm AirBlocks offer very high working loads in an extremely small, lightweight block.These diminutive blocks feature a patented bearing system usi...

Micro blocks are small, lightweight, free-running blocks. They are ideal for use on sailboards, smaller dinghies, and for lightly loaded control li...

The patent-pending T2 Ratchamatic is Harken ’??s newest block to feature the T2 line ’??s styling and soft-attachment system. Very light weight th...

The Carbo Ratchamatic© is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet a...

Carbo AirBlock© line. This new ratchets 40mm and is useful for all ratchet applications on dinghies and keelboats.Ratchets feature lightweight Nylo...

Carbo AirBlock© line. This new ratchets 57mm and is useful for all ratchet applications on dinghies and keelboats.Ratchets feature lightweight Nylo...

The Midrange Hexaratchet offers a holding power of 8:1 at 180 degrees of wrap, yet allows crew to ease line instantly. An on/off switch disengages...

The Midrange Hexaratchet offers a holding power of 8:1 at 180 degrees of wrap, yet allows crew to ease line instantly. An on/off switch disengages...

Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.Ideal for high load applications....

BLOCKS MADE FOR PERFECT INTERACTIONSeld¸n blocks give you the benefits of a high strength to weight ratio. Seld¸n only use top quality materials li...

Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. When mounted in an inverted posi...

Ronstan manufactures an extensive range of sheave boxes for use with rope and wire. Plain bearing sheaves are ideal for halyards and other applica...

Wire blocks are lightweight, low-friction blocks designed to carry wire halyards and control lines on boats of all sizes. To minimise friction fro...

Wire blocks are lightweight, low-friction blocks designed to carry wire halyards and control lines on boats of all sizes. To minimise friction fro...

Wire blocks are lightweight, low-friction blocks designed to carry wire halyards and control lines on boats of all sizes. To minimise friction fro...

Wire blocks have purpose deisgned narrow sheaves and grooves.Applications:Wire blocks suit halyards, vang and backstay applicationsMaterials: Grade...

Wire blocks have purpose deisgned narrow sheaves and grooves.Applications:Wire blocks suit halyards, vang and backstay applicationsMaterials: Grade...

Wire blocks have purpose deisgned narrow sheaves and grooves.Applications:Wire blocks suit halyards, vang and backstay applicationsMaterials: Grade...

Wire blocks have purpose deisgned narrow sheaves and grooves. Removal sheave for easy fitting and without cutting the wire termination.Applications...

Wire blocks have purpose deisgned narrow sheaves and grooves. Removal sheave for easy fitting and without cutting the wire termination.Applications...

Wire blocks are lightweight, low-friction blocks designed to carry wire halyards and control lines on boats of all sizes. To minimise friction fro...

Wire blocks are lightweight, low-friction blocks designed to carry wire halyards and control lines on boats of all sizes. To minimise friction fro...

Wire blocks are lightweight, low-friction blocks designed to carry wire halyards and control lines on boats of all sizes. To minimise friction fro...