Harken single blocks

Working load: 113 kg
Breaking load: 544 kg
Weight: 11 g

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 ...

Working load: 91 kg
Breaking load: 544 kg
Weight: 14 g

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.

Working load: 227 kg
Breaking load: 907 kg
Weight: 85 g

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing.

Working load: 136 kg
Breaking load: 907 kg
Weight: 35 g

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 ...

Working load: 227 kg
Breaking load: 718 kg
Weight: 141 g

Small Boat Flip-Flop blocks pivot around the line axis to keep the line close to the deck. Hinged construction allows for various lead angles.

Working load: 250 kg
Breaking load: 500 kg
Weight: 37 g

... halyard exit block right? Wrong! Thanks to Harken Protexit™ blocks, wear from side angle loading is not inevitable. Protexit’s all-aluminum, wear-resistant housing carefully ushers line in and out no ...

Working load: 159 kg
Breaking load: 907 kg
Weight: 113 g

Low-profile Dinghy blocks are compact and lightweight, with fast trim and release under high or low loads. Blocks are designed for dinghies and for light-duty control lines on larger boats.

Working load: 454 kg
Breaking load: 907 kg
Weight: 35 g

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes.

Working load: 816 kg
Breaking load: 2,268 kg
Weight: 397 g

Midrange 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.

Working load: 115 kg
Breaking load: 340 kg
Weight: 23 g

... and stop each other. The result is the most efficient small boat block Harken has ever made. Zircon blocks are available in 40- and 57-mm sheaves in single and double blocks, ...