Specification: Name: 7PC Milling cutter set Specifications: 45 degree tenon cutter 1/4*1-1/2; 3-tooth T-type tenon cutter 1/4*1/4 single row; 3-tooth T-type tenon cutter 1/4*1/4 double row; Bearing 8*22*6.9mm; reducing rings 8 to 6.35, reducing ring 12.7 to 6.35 Weight: 300g Size: as shown Features: They feature 1/4 shanks. Tungsten carbide blades for a sharper and longer lasting edge. Carbide cutters, featured with double flutes, straight shank. Solid hardened steel bodies with anti-kickback design, use on CNC and other automatic table-mounted portable routers. Perfect for woodworking, edging, trimming, grooving, veining wood projects Suitable for: Solid wood, particle board, plywood, wooden door frames, wooden window frames, cabinets and box, etc. However, please avoid to cut ferrous metal and non wood materials, such as steel, iron and sand. High abrasion resistance, high-precision grinding technology. Strong and durable. Constructed using high quality materials, this durable router bit set will allow you to complete all your projects with confidence. Package List: 7pcs x Router Bit Set