Harken 25mm High Tension Single Forkhead Block with Becket Badge_Disc 40mm dynamic blocks are perfect

40mm dynamic blocks are perfect for use on main

Shave - 40mm Diameter

Sheave 57 mm Length  142 mm Weight  264 g Shackle Pin  6 mm Maximum Line  10 mm  Maximum Working Load  1080 kg Breaking Load  2270 kg

Internal and external compartments for versatility:

Harken 25mm High Tension Single Forkhead Block with Becket Badge_Disc 40mm dynamic blocks are perfectLightweight, low friction wire blocks carry wire halyards and high strength control lines on boats of all sizes. The 466 features a forkhead and becket making it useful for vangs, halyards and control lines. Specifications Sheave dia. (in) 1 Weight (oz) 1. 02 Max. wire dia. (in) 3 32 Max. line dia. (in) 5 32 Shackle pin dia. (in) 3 16 Max. working load (lb) 1000 Breaking load (lb) 2000