1)No.65 manganese steel blade (high carbon) with heat treated, 2)aluminum alloy main body with static powder paint coating. 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 size 0-63mm3)good quality bearing steel blade make the cutting smooth4)Color: red, green, orange available.