Big strength comes in a small size with the TEKTON 6455 Mini Tubing Cutter. A rugged cast zinc frame with a hardened alloy steel cutting wheel easily cuts through copper, brass, aluminum, thin-wall steel, and plastic that is between 3/8 in. and 1-1/8 in. O.D. The knurled knob allows for precise adjustment of cutting pressure. Grooves in the guide rollers accommodate a flared pipe end, ensuring square cuts on any part of the tubing, even if close to the end. And since it’s TEKTON, this tubing cutter is always guaranteed, so go ahead, Take It On.Specifications:Pipe Capacity: 3/8 in. – 1-1/8 in. O.D.