Tube Bender, Bend Mechanism Style Lever, Bend Type Markings Left, Offset, Right, Tubing Outside Diameter 3/16 in, 1/4 in, 3/8 in, 1/2 in, Compatible Tubing Material Aluminum, Copper, Steel, Bend Angle - Minimum 90 Degrees , Bend Angle - Maximum 180 Degrees , Centerline Bend Radius 1 1/2 in, 1 1/8 in, 11/16 in, Application Tube Bending, Features Adjustable Hook, Cushion Grips - for Extreme Comfort, Made of Lightweight Die-Cast Aluminum, Optimum Bending Radius - for Each Tubing Size WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -