Blocks - Through-Deck

Harken Gizmo Single Through-Deck Bushing Single-sided through-deck bushings are designed to protect decks and lines from chafing using any through-deck application Part Number Center Hole Diameter Weight Diameter Shaft Outer...

Harken Gizmo 6mm Double Through-Deck Bushing Double-sided through-deck bushings are perfect for installing soft-attach loops to protect line from wear and also to separate line Part Number Deck Size Weight Diameter Center Hole...

Harken Gizmo 8 mm Double Through-Deck Bushing Double-sided through-deck bushings are perfect for installing soft-attach loops to protect line from wear and also to separate line Part Number Deck Size Weight Diameter Center Hole...

Harken Through-Deck Bullet Block - Aluminium Cover, 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 styles lets these blocks adapt to almost all...

Harken Protexit Single Thru Deck Block When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing through the sideplates of your halyard exit block right? Wrong! Thanks to...

Harken 50mm Protexit Single Thru Deck Block When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing through the sideplates of your halyard exit block right? Wrong!...

Harken 60mm Protexit Single Thru Deck Block When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing through the sideplates of your halyard exit block right? Wrong!...

Harken Protexit Double Thru Deck Block When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing through the sideplates of your halyard exit block right? Wrong! Thanks to...

Harken 40mm Protexit Single Thru Deck Block When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing through the sideplates of your halyard exit block right? Wrong!...

Harken 40mm Exit Block - Wide Sheave When you race HARD, and you rip through as many hoists and douses as we do sailing W-L legs all the time, you should expect to start wearing through the sideplates of your halyard exit block right? Wrong! Thanks to...

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. Wire Bullet blocks use roller...

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. Wire Bullet blocks use roller...

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...

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...

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...