INNER AND EXTERNAL PIPE CHEMBERS - This PVC chamfering tool has built-in blades, with double-cutting blades, which can rotate the inner and outer burrs of the pipe at the same time. Operation: Firmly fix the 8mm shaft on the drill, and then push the tube towards the blade. Apply pressure gently and start drilling clockwise until you reach the required effect. Seamless & Leak Pipe Installation Tentacles DURABLE MATERIAL - Made of anode oxide high-speed steel and CNC processed stainless steel shaft. This chamfering tool is solid and anti-rust. Precise and Smooth: PVC for removing the burr tool, can be polished high strength to ensure smoother and more accurate chamness and longer service life WIDE APPLICATION SCOPE Suitable for PVC, PVC, ABS, PP and PE pipes with an outer diameter of 0.92" to 3.89" and 0.75" to 3.5". In addition, these pipe removal tools are suitable for standard drills. rope drills, Manufacturer: Bumdenuu