Achieves unprecedented cuts. Tube cutter for copper tubing for general refrigerants; Uses ultra-thin round blade to reduce the size of the burrs by about 50% compared to our conventional machines; Automatic feed mechanism makes it easy to use by anyone; Safe design with blade cover; Easy to replace replacement blades; 2015 Good Design Award; Uses: Ideal for home air conditioner construction. Copper pipe cutter for general refrigerant piping. Caution and usage conditions: Do not use for cutting other than compatible pipes. The tip of the blade is extremely sharp, so please do not touch it directly. You may cut your fingers. Please be careful when handling round blades, such as when working or replacing round blades. Please remove the cover before use. The round blade will fog, which may cause injury during work. Please be careful when handling round blades, such as when working or replacing round blades. After cutting the pipe, the cut is sharp, and there is a risk of injury. Please handle with care. Do not use for cutting other than compatible pipes. Please do not modify the product. This may cause injury. When not in use, please keep it away from children. This may cause injury.