Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic line, these small, compact blocks have very high working loads for safe, easy trimming. The 40 mm fiddle is an excellent...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. ONE DESIGN...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. ONE DESIGN APPLICATIONS This...

High-strength pivoting lead blocks with cams are used for halyard controls on larger keelboats and as head knockers on dinghies and beachcats for sheeting directly from the boom. Hole spacing and rivet size are the same as Classic models, making upgrades...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. ONE DESIGN APPLICATIONS This...

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.   ONE DESIGN APPLICATIONS This fitting is commonly used...

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...

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. ONE DESIGN APPLICATIONS This fitting is commonly used and/or recommended for the following one design sailboat applications: MC Scow...

Stand-up bases allow a wide variety of blocks to be held upright, swivel freely, or pivot so lines have a fairlead under load. The ball-and-socket design lets blocks articulate up to 45 degrees and swivel freely. Th461 bases (high-load version of the...

Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. A center...

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. ONE DESIGN APPLICATIONS This fitting...

The Carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. ONE DESIGN APPLICATIONS This...

The Carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. ONE DESIGN APPLICATIONS This...

A 75 mm carbo block with swivel from Harken. Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe,...

Harken 13 mm control blocks spin on stainless steel balls that roll freely under high loads. These traveler car locks are used to create a 2:1 purchase for controling larger traveler systems. Sheave - 16 mm / 5/8 in Maximum line - 5 mm / 7/32 in Maximum...

This Ronstan cam cleat fairlead is easily fitted to existing T-Cleat and C-Cleat cam cleats. Allows precise cleating and release from any lead angle with lower entry efforts for off-centre cleating. Made from a tough, abrasion resistant composite...