Tube 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 Copper, Bend Angle - Minimum 90 Degrees , Bend Angle - Maximum 180 Degrees , Centerline Bend Radius 0.95 in, 0.98 in, 1.01 in, Application HVAC, Plumbing, Tube Bending This product contains a chemical that is regulated under California Proposition 65. Warning: This product contains a chemical known to the State of California to cause cancer. Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. -