Uniweld 70011 Lever Type Tube Bender for 1/2" Od Tubing of Soft copper, Aluminum, Brass, steel & Other Metal Tubing Will accurately bend 1/2in O.D. tubing of soft copper, aluminum, brass, steel and other metal tubing Bend radius 1 1/2in Calibrated markings show angle of bend for smooth, short radius bends up to 180 Degree Wide hook grips tubing securely Lubricate bender and tubing to reduce friction and Not designed to bend electrical steel conduit.