This triple PVC chamfering tool handles both inner and outer burrs on PVC pipes, delivering a clean, accurate chamfer and a smoother piping experience for professionals. Key features - Anodized high-speed steel body for corrosion resistance and long service life; designed for repeated, large-scale use. - PVC deburring surfaces are sandable, ensuring smoothing, more accurate chamfering, and extended tool life. - Compatibility and use: attach the 0.315 inch piece firmly to a drill, slide the pipe into the tool in the drilling direction, apply gentle pressure, and drill continuously until the chamfer/burr removal is achieved; the pipe is installed inside. How to use - Attach the 0.315 inch piece securely to a drill. - Insert the PVC pipe into the tool and guide it in the drilling direction. - Apply gentle pressure and drill steadily until the burrs are removed and the chamfer forms. Use scenarios - Pre-fit PVC water-supply pipe ends for solvent-weld connections. - Prepare PVC irrigation pipes for easy connector insertion. - Finish PVC conduit ends for smooth electrical installations.