General Parts

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. Sheave: 57 mm/ 2 1/4 in...

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. Sheave: 22 mm / 7/8 in Length: 64 mm / 2 1/2 in Weight: 64 g / 2.25 oz Maximum line: 6 mm /...

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. Sheave: 57 mm / 2 1/4 in...

29mm Double Bullet Block from Harken. 29mm Triple Block Made by Harken

Harken Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. This is a triple block with cam cleat configuration, ideal for multi purchase mainsheet systems. A great option for Hobie 16...

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. Sheave: 29 mm / 1 1/8 in...

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Sheave: 57 mm / 2 1/4 in Length: 103 mm / 4 1/16 in Weight: 247 g / 8.7 oz Shackle pin: 5 mm / 3/16 in Maximum line: 10 mm / 3/8 in...

T2™ blocks come in single and double configurations and can be tied, spliced, or lashed to almost anything. T2 doubles feature composite line guides that are integrated into the block head. They prevent the block from capsizing by pushing the...

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. Sheave: 29 mm / 1 1/8...

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...

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. Sheave: 57 mm / 2 1/4 in...

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. Sheave: 40 mm / 1 9/16 in...

29mm Carbo Triple Block w/ Cleat from Harken. 29mm Triple block configuration with cleat Made by Harken

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. ...

Hexaratchets grip loaded sheets, yet allow sailors to ease and trim quickly and with complete control. A switch on the side engages and disengages the ratchet mechanism. Combine the 193 and 170 Hexa-Cat bases with Big Bullet or 2.25 in (57 mm) blocks for...

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. Sheave: 29 mm / 1 1/8 in Length:...