clevis slip hook with latches

Clevis Grab Hook with latches Forged Carbon Steel or Alloy Steel .Quenched & Tempered .Ultimate Load is 4 times Working Load Limit CHAIN SIZE inch W.L.L. DIMENSIONS N.W. lbs lbs inch Carbon Alloy B E P R T 1/4" 1,950 2,750 0.44 0.79 0.38 2.56 0.79 0.52 5/16" 2,875 4,300 0.5 0.93 0.44 2.87 0.79 0.77 3/8" 4,000 5,250 0.59 1.14 0.47 3.25 1.02 1.23 7/16" 5,000 7,000 0.66 1.18 0.56 3.7 1.06 2.1 1/2" 6,500 9,000 0.75 1.42 0.63 4 1.38 2.85 5/8" 9,250 12,500 0.91 1.65 0