Powr-Flite NM171SD 17" Millennium Floor Machine with Sanding DriverMillennium Floor Machine With Sandpaper Driver 17" 1. 5 HP The 17" 1. 5 hp Millennium Edition Floor Machine's dual capacitor motor starts easily, even with the most aggressive sandpaper, but it can also be used for more delicate jobs such as buffing finished floors. Millennium Edition floor machines are heavier than floor machines of a similar size, giving you maximum pad pressure for the best results. The molded housing will absorb the impact often