Convenient all-in-one mini-tool. 6150 nickel-plated CrV steel (hex/crosshead). 3, 4, 5, 6mm hex wrenches. Flat and crosshead screwdrivers. Spanner and knife made from stainless steel. Semi-serrated knife blade with position-lock. Removable 10mm spanner/flat screw/bottle opener. Reinforced ABS plastic shell with graphics. 144g (5.1oz).