With moveable stud screw insert for bathroom fittings attachment M10 or M12, With reversible ring ratchet size 17 mm for tightening or loosening of bathroom fittings connections even in hard-to-reach areas, Open end spanner size 19 mm for tightening or loosening of corner valves, GEDORE vanadium steel 31CrV3, matt chrome-plated, Vanadium steel 31CrV3, matt chrome-plated