Features: * 10pcs Router grinding bits can be used by jewelers, hobbyists, craftsmen, modelers, etc. * Suitable for carving wood, carving roots, olives, sharp knife, durable. * Chip high-speed, high hardness, suitable for wood, aluminum, plastic root carving and engraving. * Suitable models: suspension grinder, electric grinder, drill, grinder and 3mm (diameter) clamping rod can be used. * High production efficiency, good processing quality, finishing, easy to use, safe and reliable, reduce labor intensity, do not block. Specification: * Material: High speed steel. * Color: As the picture. * Length: 3.9cm / 1.53" (Approx.). * Shank Diameter: 3mm/0.11" (Approx.). Package Content: 10 * HSS Milling Cutters Note:The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness