3 in 1 Tube Bender Triple Tube Bender for 1/4", 5/16" & 3/8" Diameter -180 Degree Lever Type Bending Tool This Tube Bender bends sizes 1/4", 5/16" and 3/8" Product Dimension: 11 x 3 x 3 inches Radio to center: 0.94" (24.40 mm) For bending soft copper, brass, aluminum and other soft metals pipes Open size/slips on tubing at any point, can bend 0.4mm thin tube without distortion