1)GR15 bearing steel blade 2)die casting aluminum alloy main body with static powder paint coating 3)equipped a release button Features:1)Designed for big size cutting pipe(PVC, PPR, PEX, PV, PE,ABS, Nylon, PS heterotypic pipe, plastic hose, rubber hose etc).2)Professional cutter for big size pipe3)good quality bearing steel blade make the cutting smooth4)Color: red, green, orange available.