DEWALT D26456 5-Inch Low Profile Random Orbit Sander 3.5 Amp EnduraTech Motor for increased performance and durability Electronic load control for 42% faster material removal EnduraTech Motor Technology has 71 percent fewer wear components for 5 to 10 times longer motor life Electronic motor break reduces spin down time by 73 percent for increased productivity Variable speed dial, 7,500 to 12,000 opm optimizes removal rate on a variety of materials