Hardened chrome vanadium metric hex key set. Sizes: 1.5, 2, 2.5, 3, 4, 5, 5.5, 6, 8 and 10mm. Includes storage clip. Hardened chrome vanadium metric hex key set. Sizes: 1.5, 2, 2.5, 3, 4, 5, 5.5, 6, 8 and 10mm. Includes storage clip.