18-Piece 1/2" Drive 6-Point Deep Impact Socket Set | 1/3rd EVA FoamThe all new 18 Piece drive metric 6 point deep impact socket set is made from forged and heated chrome vanadium steel and black phosphate coated to withstand the rigors of professional use while protecting them from dirt, oil, and grease that could potentially break down the socket quality. We use a premium black phosphate finish for durability, rather than a black oxide coating traditionally found on other sockets for durability. Utilizing a 6 point