Coated with heat-resistant Teflon coating to prevent the buildup of sawdust, resin, and pitch; Solid hardened steel body with anti-kickback design, Industrial grade micro grain carbide blade Simple construction, easy to use. Used to produce doors, chests, and furniture, and in fact, any form of construction that requires grooves for panels. Perfect choice for professionals and hobbyists Used for handcrafting a wooden door drawer window closet flooring project or other woodworking, good for joining wood edge to edge or butt to end Designed for laptop or desktop woodworking engraving machine as a handheld portable router and table mounted CNC. Please note: It cannot be used in electric drills and drilling machines Suitable for woods, MDF, plywood compact panel, particle board; Avoid cutting ferrous metal and non-wood materials, such as: steel, iron, sand, etc. Product Description Great Value - Double Tongue and Groove Router Bit Set! Standard tongue and groove bits cut perfectly fitted tongue and groove joints, ideal for wood flooring, wainscoting, and shaker-style doors. Features: Brand new and high quality, perfect for making seamless tongue and groove joints. Industrial standard tongue and groove router bit with 8mm shank. Made of 45 steel and high carbon alloy, very nice and clean miter lock joints. Used for making joggle joints when you plank wood flooring. Great tool that produces perfect corners for using joints Tongue and groove router bit for joining boards together. Specifications: Color: Yellow + Silver Material: 45 high carbon steel + alloy Shank Diameter: 8MM Tooth Width: 1/4" (6.35MM) Tooth Depth: 1/2" (12.7MM) Max. Rotation Speed: 12000 Applicable to board size: 12-18mm Package Included: 1xTongue Router Bit 1x Claw Router Bit Safety Instructions: 1. Razor blades permanently enclosed in a cartridge or housing with less than 2mm of exposed blade. 2. The blade product is not used for persons under 18 years of age. 3. The item is only for industrial cutting/engraving, non-hazardous article. Note: Please allow 0.5-1.5mm differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.