Durable Tip Design: Each tip is made of C2 tungsten carbide that stays sharp and lasts long (To get a cheaper price, get the promo code on the product page when purchasing.) Body Design: Fully heat-treated shanks and bodies are built to last, and the tips can be resharpened Anti-Kickback Design: Each router bit tip features an anti-kickback design to prevent overfeeding and help the router last longer and run smoother Usage: Perfect for your woodworking projects for edging, trimming, center punching, drilling, and tenoning, professional DIY tools for woodworkers and hobbyists Application: Suitable for particleboard, MDF board, hard and soft wood; Can be used on CNC and other automatic routers, as well as portable and table-mounted routers. This 15-piece router bit set is designed to help you get the most out of your woodworking projects. Packed in a wooden box for easy storage and transportation. Sealed bearings for smooth rotation and accurate cuts. Heavy-duty hardened steel housing