Engineers Hammer, Head Weight 2 1/2 lb, Overall Length 15 in, Head Length 4 1/2 in, Head Width 1 1/2 in, Hickory Handle, Head Material Forged Steel, Precision Machined Face, Rc 46-54, Meets/Exceeds ASME B107.54-2001, GSA Spec for NSN# 5120-00-203-4656