Reed Tool TB3456 Quad Tubing Bender, 3/16 to 3/8-Inch Tube Capacity OD: 3/16, 1/4, 5/16, 3/8-Inch Tube Capacity OD: 5, 6.5, 7.9, 9.5mm Bend radius: 15/16-Inch Ideal for plumbing and HVAC applications Not for use on extremely thin or hard-tempered material