MAKING TUBE CUTTING EASY: Quick and easy way to get clean rounded cuts on tubing from 0.125 inch - 1.125 inch outer diameter in tight areas and close quarters with Tube Cutter.When you twist bolt ,it can adjust cutting diameter between 3mm and 28mm. STRONG AND LIGHTWEIGHT: Mini Tube Cutter is made of stainless steel, small but strong, lightweight slide and wheel housing, and large knurled feed screw knob give easy control of cutting pressure for clean cuts. CLEAN CUTS: Solid ergonomic feel and consistent tracking make cutting tubes a very comfortable and quick task. Bottom rotating wheel adjusts the cutter to the proper fit in a seamless smooth movement. ESSENTIAL PIPE CUTTER: This is a must have tool for all handy men, especially plumbers, electricians, mechanics, HVAC service men and for DIY enthusiasts who need to cut pipes and tubing for their projects. Specifically designed for use in restrictedspaces on small diameter and for cutting hard and soft copper, aluminum, brass and plastic tubing.