【Diamond Sanding Grinding Bit】
Electroplated emery wheels resist abrasive loss during engraving and polishing. Use with water to enhance wear resistance and sharpness
60Grit for coarse surface grinding, drilling and engraving
150Grit for further surface refinement and contour shaping

【Wool Felt Polishing Bit】
Crafted from premium wool material, soft, fine and dense, suitable for precision polishing.
Recommended for use with polishing compound to achieve optimal results

【Suitable Materials】
Stone, plastic, ceramics, iron, jade, glass

【1/8-inch 3mm Shank】
versatile compatibility with Dremel and most rotary tools

【Packaging Includes - Optional】
18PCS/SET -- 12 pcs diamond grinding head & 6 pcs wool polishing head (6 sizes: 3/4/5/6/8/10mm diameter)
30PCS/SET -- 24 pcs diamond grinding head & 6 pcs wool polishing head (6 sizes: 3/4/5/6/8/10mm diameter)

【Friendly Reminder】

After securely tightening the grinding head, run the rotary tool idle for one minute to ensure the grinding head is firmly installed and exhibits no wobbling.

Before use, please wear protective equipment including safety goggles, gloves, and a mask.

During operation, apply water cooling to enhance the grinding head's wear resistance and sharpness, thereby extending its service life.

After use, impurities may adhere to the diamond drill bit surface, affecting grinding performance. Clean with water, allow to air dry completely, then store in a dry environment.