Features 6 Different Sizes There are 6 chamfer cutters in different specifications, which can meet your different work needs. SMOOTH CUTTING With the backlash free construction, the rounding cutter can cut smoothly and with little chip into the material. High Accuracy The router bit ensures high accuracy when cutting out your design angle with high working efficiency. Carbide The cutter is forged from high quality carbide material and has excellent durability. Storage Box:Each drill bit comes with a box, which greatly facilitates both storage and transportation for your daily work. Specification: Item Type:Router Bit Material: carbide SpecificationShank diameter (approx.) Blade diameter (approx.)Arc diameter (approx.)8 x 19.058mm/0.3 inch 19.05mm/0.8inch 3.17mm/0.1inch 8 x 22.28mm/0.3inch 22.2mm/0.9inch 4.76mm/0.2 8 x 25.48 mm / 0.3 inches 25.4 mm / 1 6.35 mm / 0.25 inches 8 x 28.68 mm / 0.3 inches 28.6 mm / 1.1 inches 7.96 mm / 0.31 inches 8 x 31.748 mm / 0.3 inches 31.74 mm 2 inch 99 .52mm/0.4\" 8*38.18mm/0.3\" 38.1mm/1.5\" 12.7mm/0.5in Function: suitable for woodworkers to cut materials at a certain angle. Package list: 6 x cutters. 6 x storage box. Note: Store it properly to avoid rust. Package List 6 x Router Bit 6 x Storage Box