The Superior Tool 1-1/8" OD Screw-Feed Tubing Cutter cuts hard or soft copper tubing, brass, aluminum and thin-wall conduit. The enclosed feed mechanism protects threads against dirt and damage. The flare cut-off grooves on rollers allow the plumber to cut directly behind a cracked flare without waste. Easy swing-out reamer blade, hardened for long life. 3mm to 30mm O.D. capacity (1/8" to 1-3/16").