Description:2 in 1 Tube Bender Tool for Pipe BendingSuitable for soft copper/aluminum tubes only, compatible tube outer diameters: 1/2" (12mm) and 3/8" (10mm), supported wall thickness: 0.02" - 0.047" (0.5mm - 1.2mm), Bending radius: 0.90" (23mm), bending angle: 0° to 180° (Note: Damage to the pipe may occur if the tube wall thickness is less than 0.02" (0.5mm))Designed to smoothly bend copper, brass, aluminum, and other thin wall steel tubing without crimpingMarked degrees Gauge accurate angles from 0-180 degreesOpens up fully to allow you to put on the pipe even when the pipe is partly installed.