Easily executes clean rounded cuts on copper, brass, aluminum,thin stainless steel,PVC,PE tubes from 1/8"-1-3/8" (3-35mm) O.D Nice workmanship, included a spare blade and fold-away deburrer ensures a better connect and durability Features the solid ergonomic X-CEL knob provides a firm grip. Cutting tubes become a comfortable and quick task Well made of high-quality alloy steel grinding blades, extremely sharp.The body of the tubing cutter is made of lightweight aluminum alloy casting Use it easily with user manual