Mo-Clamp › #4055 7/16” Screw Pin Shackle Image 1 of 1 #4055 7/16” Screw Pin Shackle $34.82 Specifications: Weight: 1 lb. (.45 kg), Working Load Limit: 4,000 lbs.For use with #4013, #4011, #4012 and #5800 Add To Cart Added! Specifications: Weight: 1 lb. (.45 kg), Working Load Limit: 4,000 lbs.For use with #4013, #4011, #4012 and #5800