Cuts copper, brass, aluminum 1/8 to 1-1/8" (3 to 27 mm) outside diameter Tapered burr remover Hardened cutting wheel For copper and brass tubing and brake lines A wheeled pipe cutter (also called tubing cutter) looks similar to the letter C with a handle or knob extending from the side. Wheeled pipe cutters are used to cut pipes made from copper, brass, plastic and thin-walled electrical metal tubing (EMT).