Blocks - Through-Deck

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. Note: DO NOT use Harken...

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, beach cats and iceboats, as well as small offshore racers and cruisers. Note: DO NOT use Harken equipment for...

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. Note: DO NOT use Harken equipment for human suspension...

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. Note: DO NOT use Harken equipment for human suspension unless product is specifically certified and labelled for such use. Part...

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...

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. Note: DO...

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. Note: DO...