The blade is subjected to high-frequency welding technology, and the cutter body is made of high-hard tungsten steel, with high hardness, strength and sharpness. Complex process technology improves wear resistance and greatly increases the service life. Unique design, super hardness and impact resistance ensure the sharpness of the blade, your first choice for quality. Industrial grade bits. Hardened steel body with anti-kickback. Heat-resistant and construction-resistant Teflon coating. Suitable for wood, MDF, chipboard, plywood compact panel; Please avoid cutting ferrous metals and other materials such as steel, iron, sand, etc. Product Description Specification: Suitable for all kinds of trimming or engraving machines. Suitable for wood, MDF, chipboard, plywood compact panel and so on. Package Includes: 2 x Router Bits