[Function] PPR lifting step drill (6 points+4points +1.31inch) is specially designed for PPR pipe repair and hole expansion, making your work more efficient and effective. [Hexagonal shank stability] The hexagonal shank disperses the force to ensure good compatibility and stability. Prevents easy sliding or deviation, thereby making the pipe mouth smooth. [Metal material] This PPR lifting step drill bit is made of HSS high-speed steel, ensuring wear resistance, durability and long-term use. [Low cutting resistance] The water pipe connection tool has low cutting resistance, which is convenient for drilling/expansion/shaving tasks, making your work easier and faster. [Professional accessories] PPR lifting step drill is suitable for repairing various water heaters, water pipes, faucets and sinks. Colour:Silver Material:HSS high-speed steel Package Contents: 1 * 4 point PPR mouth drill 1 * 6 point PPR mouth drill 1 * 1.31 inch PPR mouth drill Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.