Durable Tip Design: Each bit is constructed with a C2 tungsten carbide tip that stays sharp and lasts long. Fully heat-treated shanks and bodies are built to last and bits can be resharpened. Anti-Kickback Design: Each router bit features an anti-kickback design to prevent overfeeding and allowing your router to last longer and operate more smoothly. Usage: Perfect for your woodworking projects for edging, trimming, veining, tenon boring and grooving, professional DIY tools for woodworkers 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 set of 15 pcs router parts also comes organized in a wooden case for storage. easy storage and transportation. LRFR is committed to providing each customer with the highest possible quality of customer service.