Compound Tubing Bender, Bend Mechanism Style Lever, Bend Type Markings Calibrated Angle Markings from 0 to 90 Degrees, Tubing Outside Diameter 1/4 in, 5/16 in, 3/8 in, Compatible Tubing Material Aluminum, Copper, Bend Angle - Minimum 0 Degrees , Bend Angle - Maximum 90 Degrees , Centerline Bend Radius 25 mm, Application Bending Copper or Thin Walled Tube, Calibration Increments 15 Degrees , Compatible Tubing Shape Round, Features Not Applicable, Handle Type Long Grip, Material Die Cast Aluminum