Superior engineering and design reduces vibration by 20% and noise levels almost 2 to 1 over the competitionVariable speed control dial (1600 - 5800 OPM; 180 - 670 RPM) for various applicationsCompact tool height (5-3/16 inch) increases efficiency and maneuverabilitySmall diameter barrel grip for optimum comfort and controlUses convenient hook & loop abrasive sanding discs and accessoriesEfficient through-the-pad dust collection system with built in dust port for a cleaner work environment