The 511E EZ Lock™ Finishing Abrasive Buffs include two versatile sanding buffs in one convenient package. Great for detail cleaning, light sanding, furniture refinishing, or paint removal on delicate materials. The buffs can be used on metal, glass, hard or softwood, steel, aluminum or plastics. The set includes a very fine 15/16 In. (23.8mm) 180 grit buff and an extra fine 15/16 In. (23.8mm) 280 grit buff. The accessories are compatible with the patented EZ Lock system making accessory changes quick and easy. For use with the EZ402 EZ Lock mandrel or standard 402 mandrel.