Great for detail cleaning and light sanding, as well as paint removal on delicate materials. Use on wood, plastic, glass, and metals such as steel and aluminum. How to use? After turning on the tool, touch the buff LIGHTLY to the material and pass over the area a few times until the material is cleaned up. A lighter touch is the best technique with this accessory. Pushing on the buff will damage it and wear it out more quickly. To extend the accessory life please run the accessory below 15,000 rpm. Compatible with both the Dremel Exclusive SC402 EZ Lock mandrel and standard 402 mandrel. Materials and recommended speed Aluminium 15.000 MAX Brass 15.000 MAX Copper 15.000 MAX Hardwood 15.000 MAX Plastic 15.000 MAX Softwood 15.000 MAX Steel 15.000 MAXFeatures 100% more abrasive material compared to Dremel accessory 511S 180 grit buff has 9 times longer life compared to Dremel accessory 511S 180 grit 280 grit buff has 4 times longer life compared to Dremel accessory 511S 280 grit The Dremel exclusive Easy Speedclic (SC) mechanism, makes wheel changing keyless, easy and 6 times faster than using a standard mandrel