Uniweld 70010 Lever Type Tube Bender for 3/8-Inch OD Tubing of Soft Copper, Aluminum, Brass, Steel and Other Metal Tubing Will accurately bend 3/8in O.D. tubing of soft copper, aluminum, brass, steel and other metal tubing Bend radius 1in Calibrated markings show angle of bend for smooth, short radius bends up to 180 Degree Wide hook grips tubing securely