The RIDGID Screw Feed Tubing and Conduit Cutters provide clean, square cuts. They are fitted with an X-CEL Knob that can cut tubing more quickly and easily thanks to the larger, more ergonomic design. They can cut through copper, brass, aluminium and thin-wall steel. Models 10, 15 and 20 feature a convenient fold-away reamer. RIDGID Heavy-Duty Screw Feed No.30 Tubing and Conduit Cutter Capacity: 25-79mm (1 - 3.1/8in).Std. Wheel: E-1240.Weight: 1.60kg.