Versatile. Adapts to every Surface Preparation need. Heavy duty to feather finishing. Powerful Air-Efficient Motor with 5-point Suspension guarantees 44 square inches of uniform, full contact sanding. Low maintenance, high productivity.; RPM: 8,500+; Air Consumption: 11.4 cfm @ 90 PSI; Noise Level: 89 dBa; Pad size 2 3â„4" X 16 1â„2".