This woodworking lathing tool is a newest design knife for CNC wood turning machine. We called it Three in One CNC woodworking lathe knife. It includes chisel tool steel knife body, alloy steel knife blade, and chisel tool steel knife pressure clamp plate. Lower price, but you are using a alloy steel knife, long time using. Alloy Steel Wood Lathe Cutter Material: Knife holder: chisel tool steel Knife blade: alloy steel Size: 25*25*200mm