4PCS AC Copper Pipe Bender, 1/4 3/8 1/2 5/8 Built in Tube Bending Tool PE Plastic Copper Pipe Protector for HVAC Tube Bender Set Prevents Copper Pipe Deformation (13ft). Item Type: AC Copper Pipe BenderMaterial: PESpecifications: 1/4in, 3/8in, 1/2in, 5/8inSize: Approx.