The Husky 1/2 in. Drive 17 mm 6-Point Deep Impact Socket is designed for use with a 1/2 in. drive tool. Husky 1/2 in. drive Impact Sockets are manufactured from chrome molybdenum alloy steel and designed to withstand rigors of heavy-duty use. Size markings have been hard stamped into the sockets for quick and easy identification that will never wear away. Each socket features chamfered lead-ins on both ends allowing for easy attachment to drive tools and placement onto fasteners. The pin hole at the base of each socket is for use with pin and O-rings for a secure attachment to drive tools. Husky deep impact sockets also feature a shallow broach design to prevent fasteners from getting lodged deep in the socket. The oiled, black oxide finish provides maximum corrosion resistance for a longer life.