{Smooth Sharp Cutter}- Carbide cutters,featured with double flutes, straight shank, Solid hardened steel bodies with Anti-Kickback Design, Use on and other automatic table-mounted portable routers. perfect for woodworking, edging, trimming,grooving, veining wood projects. {Wide Application}- Suitable For: solid wood, particle board, plywood, wooden door frames, wooden window frames, cabinets and boxes, etc.However, please avoid to cut ferrous metal and non wood materials, such as steel, iron and sand. {}- Using high-grade original alloy. High abrasion resistance, high-precision grinding technology. Strong and durable. Constructed using materials, this durable router bit set will allow you to complete all your projects withconfidence. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.