Durable Tip Design: Each bit is constructed with a C2 tungsten carbide tip that stays sharp and lasts long. Fully heat-treated shanks and barrels are built to last and bits can be re-sharpened.>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, graining, tenon boring and grooving, professional DIY tools for woodworkers and hobbyists.Application: Suitable for particleboard, MDF, 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 pcs router set also comes organized in a wooden case for easy storage and transportation.