The Klein 89019 3-Piece Spring Type Tube Bender Set bends 1/4-Inch to 3/8-Inch O.D. tubing. It easily allows hand bending of soft copper and aluminum tubing into any shape without collapsing the walls. Belled end for quick tube removal. Overall Length: 10-Inch. Weight: 10-Pound. Safety information: Always wear approved eye protection. Never use on or near live electrical circuits.