... made of Manganese 65 or SK5 steel. the thickness devides into two kinds 2.0mm and 2.4mm, the hardness is ... products, ordinary products),Japanese style pipe cutters, fast pipe cutters, fish-pipe cutters gun-cutters,Vinyl pipe cutters,ect. Metal pipe cutters, their baldes are ... made of Gearing steel Gr15. like plastic pipe cutters,metal pipe cutters have many kinds and applying range as well ...