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 cutting pipe(PVC, PPR, PEX, PV, PE,ABS, Nylon, PS heterotypic pipe, plastic hose, rubber hose).2)Professional cutter for pipe O.D size: 4.7-15.7in(12-40mm).3)Blade, ratchet, spring are rust free.4)Ratchet action brings the smooth cutting motion.5) ...