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 shanks are built to last and bits can be resharpened. Anti-kickback Design: Each router end cap features anti-kickback design to prevent overfeeding and make your router last longer and run easier. Usage: Perfect for your carpentry projects for edging, trimming, veining, boring tenon and grooving, professional DIY tools for carpenters and hobbyists. Application: Suitable for particle board, MDF board, hardwood and softwood; 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 transport.