- Precision Size: This rubber polishing bit is expertly crafted with a diameter of 10 mm (approximately 3/8 inch) and a working length of 20 mm (0.79 inches), providing a total reach of 50 mm (1.97 inches). The 80# grit ensures effective material removal and superior surface finish. - Durable Material: Constructed from a specialized blend of rubber and aluminium oxide abrasive, our grinding head offers elastic grinding properties. This design minimizes the risk of over-processing and protects your workpiece, making it ideal for fast and precise polishing of even the roughest surfaces post-machining. - Cone-Shaped Design: The unique cone shape allows for concentrated polishing in tight or intricate areas, such as curves, edges, and contours. The rounded tip ensures detailed and accurate surface finishing. - Versatile Applications: Perfect for various materials, including metal, iron, jade, agate, glass, and jewelry, these rubber polishing drill bits excel in refining the surfaces of diverse crafts. - Practical Use Cases: - Jewelry Crafting: Achieve a flawless finish on delicate pieces with intricate designs. - Metalworking: Effectively polish metal components to remove burrs and achieve a smooth finish. - Restoration Projects: Restore the luster of aged or damaged surfaces in glass or stone items. This rubber polishing bit is a reliable tool for professionals and hobbyists alike, enhancing your work efficiency and quality.