General description This PVC Deburring Tool is a versatile 2-in-1 inner and outer pipe reamer designed for professionals and DIY enthusiasts. It features three built-in incisive blades with dual cutting edges that efficiently remove internal and external burrs from pipes, enhancing the piping experience. Technical specifications Material: High-speed steel and stainless steel Outer diameter compatibility: 0.92 in to 3.89 in Inner diameter compatibility: 0.75 in to 3.5 in Shaft diameter: 0.315 in Installation Firmly attach the 0.315 in shaft to a drill. Ensure the drill is straight and flush with the pipe. Usage Gently apply pressure and start drilling clockwise until the desired chamfer effect is achieved. It is recommended to run the drill at a low RPM setting to minimize friction heat and maintain the cleanliness of the reaming.