The 2-3 Ton Eye Hoist Hook is forged, quenched & tempered. Proof Load is 2 times the Working Load Limit. Ultimate Load is 5 times the Working Load Limit. 320C-Carbon Steel. Features a spring-loaded 1.34 in. latch. 2-3ton safe working limit. 1.56 in. eye diameter. 5.78 in. from top of the eye to bottom of hook opening. 1.38 in. between latch swing and bottom of hook opening. Weighs 3.66 lbs. 5 in. L x 3/4 in. W x 7 13/16 in. H overall dimensions.