Draper Hex Bit Set & Holder, 1/2" Square Drive, 6 - 12mm - HX7/12M/BExpert Quality, metric bits manufactured from hardened and tempered S2 steel with a shot blasted finish. 1 2" square drive holder made from chrome vanadium steel hardened, tempered and chrome plated for corrosion resistance. Display packed. 1 x Bit holder 10mm x 1 2" sq. drive 6 x Hexagonal bits, 75mm: 6, 7, 8, 9, 10, 12mm Key Features Expert Quality: The Draper Hexagon Bit Set features premium metric bits crafted from hardened and tempered S2 steel,