Mastercool tube cutters are lightweight yet durable. Carbide steel cutting wheels work with hard and soft copper, aluminum, brass, thin wall steel and stainless steel. All cutters feature rollers with flare cut-off grooves to salvage as much old tubing material as possible. Mini Tube Cutter Heavy duty mini cutter designed to work in tight quarters. Excellent for limited working space. Highly polished, chrome plating is corrosion resistant. Carbide wheel cuts hard soft copper, aluminum, brass, thin wall steel and stainless steel. 70027 Mini Tube Cutter for 1/8in. to 5/8in. (4-15 mm) O.D. tubing(1/8in.-1/2in. nominal).