2685-20 Milwaukee M18 FUEL 21mm Random Orbital PolisherDescription Milwaukee's M18 FUEL 21mm Random Orbital Polisher is the industry's first cordless 21mm RO polisher. By harnessing the power, performance, and run time of M18 FUEL technology, this polishing tool delivers corded performance while providing you with the freedom to work anywhere. This battery powered polisher gives you total control with its variable speed trigger, 8 position speed dial with RPM settings ranging from 2,400 4,500 RPM, trigger