Tube Bender, Bend Mechanism Style Manual, Bend Type Markings Calibrated Angle Markings from 0 to 180 Degrees, Tubing Outside Diameter 1/2 in, Compatible Tubing Material Aluminum, Copper, Bend Angle - Minimum 0 Degrees , Bend Angle - Maximum 180 Degrees , Centerline Bend Radius 1 1/2 in, Application Aluminum, Bend Soft Copper, Brass, Thin Wall Steel, Calibration Increments 15 Degrees , Compatible Tubing Shape Round, Features Swivel Handles, Handle Type Swivels, Material Die Cast Aluminum WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)