RIDGID 32940 #30 Screw Feed Tubing Cutter, 1-inch to 3-1/8-inch Conduit Cutter Easily makes clean, square cuts on copper, brass, aluminum and thin-wall steel Large, ergonomic X-CEL knob provides a firm grip so you can cut tubing quickly and easily Includes tubing cutter wheel E-2558; RIDGID cutter wheels are precision-machined from high-grade steel for long life and maximum cutting accuracy RIDGID tubing cutter has a 1-inch to 3-1/8-inch (25 mm to 79 mm) cutting capacity RIDGID covers its products with a lifetime warranty against defects in material or workmanship for the life of the tool