This powerful tube cutter is specially designed for quick cutting of copper, brass, aluminum, plastic, or other thin tubes. In addition, fold-away reamer stored in frame allows for easier removal of burrs The cutting wheel is crafted from premium steel material, ensuring smooth and accurate cuts, thereby improving cutting efficiency and saving time and effort. High-density ball bearing rollers provide a secure grip on the pipe during the tube cutting process, preventing uneven cutting surfaces caused by unstable clamping Tubing cutter has a screw feed with a large grip knob to make it easier to tighten the cutter, allowing for quick adjustment and providing strong clamping force to ensure cutting stability. Pry open the bottom knob to get out the spare cutting wheel Only need to rotate the knob to grip the tube, revolve copper tubing cutter around the tube(taking care not to move the cutter as this could result in an uneven cut or damaged pipe), tighten grip smoothly after each full circle until full cut Our copper tube cutter can easily and efficiently cut through 1/8 "-1-1/4 " outer diameter, suitable for electrical, air conditioning installation, automotive and other plumbing installation and maintenance