Capacity 1/8" to 1-1/8". Cuts tubing of hard or soft aluminum, brass, copper and thin wall conduit. Enclosed feed mechanism to protect threads against dirt and damage. Tubing rides freely on hardened rollers. Cuts cleanly without burrs or tubing distortion. Special Superior long-life alloy cutter wheels. Retractable, hardened reamer blade built in, locks open or closed.