The Professional 90 Degree 4-in-1 Tube Bender by Klein Tools is expertly engineered to effectively bend soft copper, aluminum, and steel tubing. It accommodates the most commonly used tube sizes, including 3/16 in., 1/4 in., 5/16 in., and 3/8 in., and is equipped to accurately produce left-hand, right-hand, and offset bends up to 90 degrees. This bender features a lever-type design and is color-coded in black and chrome for easy identification.