The 15 piece combination wrench set from BRILLIANT TOOLS is designed to be used on tightening or loosing nuts. These wrenches will give a very good contact surface for removing nuts without damaging them. They are made of high quality chromed vanadium steel. The sturdy wrench set is versatile for a number of DIY jobs and for repairing cars. Colour: Silver Material: Matt chrome-vanadium steel 15-piece combination wrench set Size: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 22 mm Delivered in sturdy plastic holder SKU: 426111