Harken 57mm Double Carbo Block

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.

Shackle pin dia. (mm) = 6  
Description = Double/swivel
Sheave dia. (in) = 2.25
Sheave dia. (mm) = 57 
Weight w/shackle (oz) = 6.3
Weight w/shackle (g) = 178
Shackle pin dia. (in) = 1/4
Length (in) = 4.75
Length (mm) = 121
Max. line dia. (in) = 3/8
Max. line dia. (mm) = 10 
Max. working load (lb) = 1584 
Max. working load (kg) = 720
Breaking load (lb) = 3300 
Breaking load (kg) = 1500 

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