Metal Bender Bend Type Markings Calibrated Angle Markings from 0 to 180 Degrees Tubing Outside Diameter 2 1/2 in Bend Angle - Minimum 0 Degrees Bend Angle - Maximum 180 Degrees Centerline Bend Radius 9 1/2 in for Mild Steel Application For Tube Bending Calibration Increments 1 Degrees