Forge 14 Piece Hex Key Set Chrome Vanadium Steel Blades Tempered and Hardened Steel with Black Finish Convenient Key Ring Style Holder Metric Sizes: 1.5, 2, 2.5, 3, 4, 5, and 6mm Imperial Sizes: 1/6", 5/64", 3/32", 1/8", 5/32", 3/16", and 7/32"