Using for wood grooving,applicable scope for the woodworking tenon, woodworking plywood etc. Industrial grade micro grain carbide blades, Solid hardened steel bodies with Anti-Kickback Design.With coated surface, it's rustproof and has a long service life. Professional DIY tools for carpenters and hobbyists,it is a good helper of decorative wood processing.You can use these router bits create beautifully furniture carvings. We offer warranty on item(s) that confirm to be manufacturer defect and we'll respond within 24 hours on weekdays. The set includes: 1pc 6*4*32mm router bit and 1pc 6*6.35*31.5mm router bit. Router Bit Set FEATURES Industrial grade micro grain carbide cutter.Cutters with anti-kickback design can slice smoothly into stock producing clean, splinter free. Build-up ; heat resistant teflon coating.Baked on heat resistant coating prevents build-up of sawdust, resin, and pitch. For wood grooving,applicable scope for the woodworking tenon, woodworking plywood. MATERIA COMPOSITION Blade Material : YG8 cemented carbide Blade body Material: 45 Carbon steel Surface Material: Plastic sprayed SPECIFICATIONS Shank diameter: 6mm Blade length:4mm/6.35mm Cutter head diameter: 32/31.5mm Color: Yellow PACKAGE INFORMATION WARM TIPS 1.The cutter is sharp enough,please get away from children. 2.When operating,the user is asked to wear safety glasses,in case of wood chips splash damage eyes 3.Please clamp the shaft in right place and necessary protective measures in woodworking processing. 4.When the router woodworking is blunt, please replace the new tool, do not continue to use to avoid cutting tool breakage and injury accident. 5.Avoid cutting ferrous metal and non wood materials, such as: steel, iron, sand, etc.