The blade is subjected to high-frequency welding technology, and the cutter body is made of high-hardness tungsten steel, with high hardness, strength, and sharpness. Complex process technology improves wear resistance and greatly increases service life. Unique design, super hardness, and impact resistance ensure the sharpness of the blade, your first choice in terms of 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. Specification: Body Material: High quality YG6X primary alloy. Blade Material: Industrial micrograin carbide. Shank Diameter: 8mm. Tooth Width: 1/4" (6.35mm). Tooth Depth: 1/2" (12.7mm). Applicable to board size: 13-19mm. Maximum Speed: 12000 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