Harken 57mm Black Magic Hi Load Single Swivel Block

Harken 57mm Black Magic Hi Load Single Swivel Block

Description: Single swivel hi-load
Sheave dia. (mm): 57
Length (in): 4 11/16
Weight w/shackle (oz): 5.0
Shackle pin dia. (in): 1/4
Max. line dia. (in): 7/16
Max. working load (lb): 2500
Breaking load (lb): 5000