Made from 40CrMo alloy steel with a nickel-plated process, the drill cutting wheel provides enough hardness and longer life to withstand wear, and frequent use without easily breaking. The interior PVC pipe cutter cuts plastic pipes from the inside without damaging the floor. The rotary tool cutting discs can be used to cut shower drains, toilet flanges, bathtub drains, sewer pipe, etc. The power rotary tool accessory kit includes 6 replaceable cutting saw wheel (22mm, 25mm, 32mm, 35mm, 44mm, 50mm) to precise, cuts every time, so you can work easily and efficiently all day long The drill cutting discs are suitable for multiple materials like PVC, PP-R, PE, PEX, CPVC & other plastic pipes, wood, aluminum, thin sheet metal, soft metal, etc. It's an ideal cutting tool for plumbers, handymen, electricians and DIY ext. bar → saw tooth washer → blade → flat washer → screws. Tighten screws. An oil film protects the blade. Once set up, connect to a drill and start using. Colour:Silver Material:Metal Package Contents: 1set * cutting wheel for 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.