3.2 Amps, 11,000 OPM Ensures fast, smooth results on all surfacesRubberized paper clamps for firm, no-slip gripDual-row bearing design for exceptional smoothnessThrough-the-pad dust extraction to maximize sanding efficiency and extend paper lifeBosch Microfiler Dust Canister w/ integrated paper filter for optimal filtering system of fine dust; captures particles as small as a 1/2 micron.