Harken 29 mm Triple Block — Becket, Cam Cleat

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 Ø (mm)                          29 mm

Sheave Ø (in)                       1 1/8 in

Length (mm)                          85 mm

Length (in)                          3 3/8 in

Weight (g)                             133 g

Weight (oz)                         4.7 oz

Shackle pin Ø (mm)                 5 mm

Shackle pin Ø (in)                 3/16 in

Maximum line Ø (mm)         6 mm

Maximum line Ø (in)            1/4 in

Maximum working load (kg) 408 kg

Maximum working load (lb)         900 lb

Breaking load (kg)                 816 kg

Breaking load (lb)              1800 lb

Footnote                                 Maximum working loads and breaking loads for blocks based on cam strengths.