describe DURABLE TIP DESIGN: Each drill bit is crafted with a C2 tungsten carbide tip that stays sharp and is durable (please get the coupon code on the product page at checkout for an even better price.) Body Design: Fully heat-treated shank and body for durability, drills can be resharpened ANTI-KICKBACK DESIGN: Each router features an anti-kickback design that prevents overfeed and helps your router last longer and run smoother Uses: Great for your woodworking projects, for trimming, trimming, texturing, tenon drilling and grooving, a professional DIY tool for woodworkers and hobbyists Applications: For particle board, MDF, hardwood and softwood; can be used in CNC routers and other automatic routers, as well as portable and desktop routers Size: 15pcs 6.35mm tail This set of 15 router bits is designed to help you get the most out of your wood cutting projects. Stored in a wooden box for easy storage and transport. Sealed bearings allow for smooth rotation and precise cutting. Sturdy hardened steel body with anti-kickback design. Heat treated for a clean cut and can be resharpened. Baking on a heat-resistant coating prevents the build-up of sawdust, pitch, and pitch. Works on wood, MDF, hardwood and softwood. How to use: This product uses a professional electric drill to drill holes. Hot Tips: It is important to note that coolant (such as water) needs to be added when using, and the temperature of the material will rise or smoke due to long-term work. Specification: Color: red+silver Material: 45 high carbon steel + alloy Quantity: 15 Design: Anti-recoil content: 1 x 12.7 mm "V" Grooving Knife 1 x Box Cove Drill Bit - R3.2mm 1 x Drill Cap - R6.3mm 1 x 12.7 mm dovetail bit 4 straight drill bits (6mm, 12mm, 12.7mm, 16mm) 1 x Fillet - R9.5mm 2 straight drill bits (3mm and 12.7mm) 1 x 45 degree chamfer 29mm 1 x Drive panel bit 6.4mm 1 x Drill Cap - R6.3mm Shipping quantity: 1 set lucky encounter