16 Different Sizes: There are 6pcs router bits in different specification, meeting your various working needs. 2Smooth Cutting: With anti backlash design, the router bit can smoothly cut into the material with little chip. 3High Accuracy: The router bit ensures high accuracy to cut out your design angle with high work efficiency. 4Cemented Carbide: Forged with premium cemented carbide material, the router bit has excellent durability. 5Storage Box: Each bit has a box, making both the storage and carrying much easier for your daily working.Item Type: Router BitMaterial: Cemented Carbide Specification Shank Diameter(Approx.) Blade Diameter(Approx.) Arc Diameter(Approx.) 8x19.05 8mm or 0.3in 19.05mm or 0.8in 3.17mm or 0.1in 8x22.2 8mm or 0.3in 22.2mm or 0.9in 4.76mm or 0.2in 8x25.4 8mm or 0.3in 25.4mm or 1in 6.35mm or 0.25in 8x28.6 8mm or 0.3in 28.6mm or 1.1in 7.96mm or 0.31in 8x31.74 8mm or 0.3in 31.74mm or 1.2in 9.52mm or 0.4in 8x38.1 8mm or 0.3in 38.1mm or 1.5in 12.7mm or 0.5in Function: Suitable for woodworkers to cut materials at a certain angle.6 x Router Bit6 x Storage BoxKeep it properly to prevent rust. 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.