Our 406 Imperial Instrument Lever Bender bends annealed copper, steel and stainless 3/8-inch(9.52 mm) tubing with a wall thickness less than or equal to 0.06-inches (1.52 mm) up to 180º. Offset cushion grip handles make large bends easier on your hands while the 90° start angle and unique oil-absorbing shoe minimize bending effort for more accurate results. Features a bend radius of 15/16th inches (23.81 mm) through1-5/16-inches (33.33 mm).