Description: 100% Brand new, high quality, very durable, high hardness and toughness. No dust and no pollution, can produce high precision mold cavity with high precision. Perfect for accurate metal removal when shaping, leveling, or porting cast iron, steel, and other nonmetal materials. Suitable for smaller rotary tools, widely used in the pneumatic or electric tools, must clamp tool. Suitable for materials such as wood, plastic, soft metal like aluminum, suitable for engraving, beveling, chamfering, grooving, reaming, hollow. Specification: Material: Tungsten steel solid carbide Total length: 4.5 cm / 1.77 inch Package Includes: 6 Pieces Tungsten Carbide Burrs Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Please don't mind