Pad Size: 2-3/4" x 17-1/2''*Free Speed: 2,100 strokes per min.*Overall Length: 17-1/2''*Net Weight: 6-1/2lbs. (2.8kg)*Air Inlet Thread NPT: 1/4''*Air Hose I.D. Size: 1/4'' (6mm)*Avg. Air Consumption.: 6cfm*Air Pressure: 90-1