For Pneumatic Air Powered Airfile Straight Line File Body Shop Sander Sanding Tool Air file sander tool for body shops. Features include: Pad Size: 2-3/4" x 17-1/2" Free Speed: 2,100 strokes per min. Overall Length: 17-1/2" Net Weight roughly: 6-1/2lbs. (2.8kg) Air Inlet Thread NPT: 1/4" Avg. Air Consumption.: 6 cfm Air Operating Pressure: 90-120psi Manufacturer details, look and color may vary