Compatibility - Tip wheel stems are 3mm and 25mm in diameter. The polishing disc can be attached and used with common power tools like cordless hand drills, rotary tools, electric grinders, micro motor, flexible shaft and more. Durable and reusable - Polishing disc is composed Top quality pad with good wear resistance and excellent polishing ability. The polishing kits are an effective tool for polishing metals and non-metallic materials. 4 Mixed Grits - Sanding accessories included each grit 10 pieces, total 40 pieces, Brown 80 grit, Green 150 grit, Red 240 grit, Black 300 grit for various polishing needs. Versatile - Wood accessories are suitable for cleaning metal surfaces and non-metallic materials, grinding, dusting, deburring, polishing on small deburring surfaces rust and surface polishing. Wide application - T-shaped design of the wire brush helps to thoroughly clean corners, edges, gaps and other hard-to-reach areas. Polishing kit adapt to all types of molds, glass processing, fine jade, ceramic, glass, wood, reinforced steel, cast iron, stainless steel. The reasons to choose us Made of good material of scouring pad, with our small dremel accessories good wear resistance, better polishing effect, more efficient and lower cost, good durable! polishing Suitable for DIY engraving, objects like wood/metal/stone/jewelry surface cleaning, derusting, grinding, dust removal, deburring, polishing, residue removal. Total 40 pieces polishing drill , 10 pieces for each color with different grits are more than enough for metallic and non-metallic material polishing needs. Disc can be attached with common power tools like hand drills, rotary tools, electric grinders, arbor flexible and more. Quantity delivered: 10 pieces