Package included(as picture): 1 x matched tongue 1 x groove router bit 3 x circle accessories specifications material: hard alloy color:sliver+yellow diameter of handle: 1/2'' overall length: 3'' tooth width:1/4''(6.35mm) teeth deep:1/2''(12.7mm) feature 1. industrial quality router bits and industrial grade micro grain carbide blade. 2. after high-frequency welding and heat treatment,the blades have some characteristics like high hardness,high strength,wear resistance and so on. 3. rigid plastic packaging, protect products well. 4. high hook and shear angles allow cutters to slice smoothly into producing clean, splinter free. fit for:dianmu milling, engraving hine, trimming hine, cnc hining, etc.