INTERNAL AND EXTERNAL PIPE REAMER: This PVC chamfer tool has three built in incisive blades with dual cutting edges that turn the internal and external burrs of pipes in one go, revolutionizing the piping experience for professionals and amateurs alike DURABLE MATERIAL: Made from a CNC machined anodized high speed steel body and stainless steel shaft, this chamfering tool is resistant to corrosion, rustproof and strong enough to withstand repeated heavy use ACCURATE AND SMOOTH: PVC deburring tool high strength sharpenable blade ensure smoother, more accurate chamfer and longer service life SIMPLE OPERATION: Firmly attach the 0.315in shaft to the drill and push the tube towards the blade. Gently apply pressure and start drilling CW until the desired effect is achieved. Leak free, seamless pipe installation is within reach WIDE RANGE OF APPLICATIONS: For pipe bevelling tools are suitable for PVC, CPVC, ABS, PP and PE pipes with an outer diameter of 0.92in to 3.89in and an inner diameter