KAKA Industrial TR-40 Square Tube Roll Bender, Solid Construction Square and Rectangular Tubing Bender, Portable Tubing Rolling Bender Specifically suitable for square and rectangular tube bending Build with high quality material that can last for many year heavy use Adjustable roller allows for flexibility and easy operation during bending process Can be utilized to process materials such as steel, cuprum and aluminum Maximum capacity is up to 1-1/2 " x 14 gauge square tubes with multiple passes