PARAMETERS - Applicable tube diameter: 1/4", 5/16", 3/8" (6, 8, 10mm); bending radius: 15/16" (24mm); bending angle: 0 ~ 180°. APPLICATION - Suitable for bending various outside diameters of copper and aluminum tubing; only for flexible copper and aluminum tubing and other materials, not for iron or stainless steel tubing. MATERIAL - Forged from carbon steel, strong and durable, it does not easily deform. By bending from 0 to 180 degrees, you can bend it exactly as you want. Furthermore, the pipe bender can bend pipes up to 0.4 mm without deformation. 3-in-1 - This pipe bender is a 3-in-1 tool for 1/4", 5/16", and 3/8" pipes. It is very convenient for bending pipes of different sizes. USER-FRIENDLY DESIGN - Based on the lever principle, the upper handle is longer, and the round hole in the upper handle allows you to test the size of the copper pipe. The lever allows you to bend the pipe. The knurled, non-slip handle prevents the pipe bender from falling during use and also protects