Durable Tip Design: Each bit is constructed with a C2 tungsten carbide tip that stays sharp and lasts a long time. Fully heat-treated shanks and bodies are built to last, and the bits can be resharpened. Anti-Kickback Design: Each router bit features an anti-kickback design to prevent overfeeding and help your router last longer and run smoother. Usage: Perfect for your woodworking projects for edging, trimming, veining, tenon boring, and grooving, professional DIY tools for woodworkers and hobbyists. Application: Suitable for particleboard, MDF board, hardwoods, and softwoods; Can be used on CNC routers and other automatic routers, as well as portable and table-mounted routers. Easy to Store: This 15-piece router set also comes organized in a wooden case for easy storage and transportation.