Performance Tool W32700 1/2" Drive 12 Point Metric Deep Socket Set (8 Piece) 8 Piece 1/2 Inch 12 point deep socket set with recessed edges Socket openings are designed to reduce fastener rounding Chrome vanadium alloy steel construction for strength and durability Polished nickel chrome plated finish resists corrosion and lifetime warranty Includes sizes 12, 13, 14, 15, 16, 17, 18, and 19 mm