Harken 29mm - Triple Block Becket, Cam Cleat - Part #347

Harken 29mm - Triple Block Becket, Cam Cleat - Part #347

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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.

 

FootnoteMaximum working loads and breaking loads for blocks based on cam strengths. 
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