This 5/16-inch clevis slip hook has a working load limit of 4300 pounds and is designed for use with Grade 70 or lower grade chains. The hook opening is 0.51 inches and the hook reach length is 43/100 inches, with a 1 3/32-inch clevis pin diameter and a 2 13/16-inch inside width. Each gold hook is made from alloy steel with a gold chromated finish and comes with a latch.