Made Of S2 Steel And ABS Resin Triax 1120, Includes Hex: 3/32 in, 7/64 in, 1/8 in, 9/64 in, 5/32 in, 3/16 in, 7/32 in, 1/4 in, 2 mm, 3mm, 4 mm, 5, 5.5 mm, 6mm Bits, Bits Are Conveniently Stored Inside The Handle, Shaft Opening Serves As A 1/4 Inch Hex Driver, Perfect For Technical Equipment, Bicycles, Motorcycles, Skis, Musical Instruments And Ready To Assemble Furniture, Made In USA