The blade undergoes high frequency welding technology and the cutting body is made of super hard tungsten steel, which is extremely hard, strong and sharp. . Elaborate processing technology improves wear resistance and significantly increases service life. . Unique design, super hardness and impact resistance ensure the sharpness of the blade, which is your first choice for high quality. . Industrial grade cutter. Solid hardened steel housing with anti-kickback design. Heat resistant Teflon construction and coating. . Suitable for wood, MDF, particle board, plywood. Please avoid cutting ferrous metals and other materials such as steel, iron, sand, etc. .