Professional strength bits made from heat-treated S2 alloy. All are 3/8 inch drive so you'll only need one ratchet or T-handle and have large laser imprint for easy size identification. The 8-piece Metric Hex,10-piece Inch Hex, and 10-piece Star torx include storage rail and are ideal for servicing a wide range of powersports vehicles including motorcycles, UTV, ATV, Snow, and Watercraft.