Multiple sizes: Suitable for tubing with outside diameters of 1/4, 5/16, 3/8, 1/2 and 5/8 inches, it can meet your daily use needs Material: Made of spring steel, galvanized , high hardness, arbitrary bending without deformation Application: For bending copper, brass, aluminum and thin steel tubing to the proper angle (up to 180 degrees) without curling or collapsing the tube Easy to use: Spring bender is a simple and effective way to bend thin-walled tubes, put the tube into the spring and bend it to the desired angle to take out, the bending effect is good, and effectively avoid bending damage to the copper tube Package included: You get 5 different OD spring benders including 1/4 inch, 5/16 inch, 3/8 inch, 1/2 inch, and 5/8 inch, Manufacturer: Littimoon