Drop forged chrome molybdenum alloy steel with a hardened, tempered phosphate finish. Chamfered opening provides faster and easier fit over fastener. Set includes 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", and 3/4" sizes, and a reusable case.
Drop forged chrome molybdenum alloy steel with a hardened, tempered phosphate finish. Chamfered opening provides faster and easier fit over fastener. Set includes 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", and 3/4" sizes, and a reusable case.