Tube Cutter CT-312 for 1/4" to 1-5/8"(7-42mm) tubing. Tube Cutter CT-312For 1/4 to 1-5/8 Inch (7-42mm) O.D. Tubing.Aluminum alloy body, chrome plated finish with a spare cutting blade.For hard or soft copper, aluminium, brass, thin wall steel, stainless steel, titanium and other tubing.We can offer all kinds of refrigeration tools.More details,please contact with us. Tube Cutter CT-312