Tube Bender, Bend Mechanism Style Lever, Bend Type Markings Angle Markings From 0 to 180 Degrees , Tubing Outside Diameter 1/2 in, Compatible Tubing Material Aluminum, Brass, Copper, Stainless Steel, Steel, Bend Angle - Minimum 0 Degrees , Bend Angle - Maximum 180 Degrees , Centerline Bend Radius 1 1/2 in, Application Tube Bending, Calibration Increments 15 Degrees