he versatile RIDGID No. 15 Screw Feed Tubing Cutter is designed to easily make clean, square cuts on copper, brass, aluminium and thin-wall steel. The steel tube cutter features a large, ergonomic X-CEL knob that provides a firmer grip so you can cut tubing more quickly and easily and it has a convenient fold-away reamer. This tubing and conduit cutter has a 4mm to 28mm cutting capacity.