Twin pistons prevent stalling and provide you with smooth, reliable power. Long 2 3/4in. x 17 1/2in.. pad gives you accurate shaping and precise leveling of flat surfaces. 3000 reciprocating 1-inch strokes per minute save you time. Comfortable, balanced 2-handle design produces a smooth, vibration-free performance. Automatic stop trigger release. Quick action sandpaper clamps. Random Orbital: No, Vacuum Ready: No, Air Consumption (CFM): 8, Side Handle: No, Speed (RPM): 3,000, Spindle Size (in.): 16.8, Tool Weight (lbs.): 6 1/4, Pad Diameter (in.): 2 3/4 x 17 1/2, Air Inlet Size (in. NPT): 1/4, Case Included: No, CFM at Load: 9, Min. Hose Size (in.): 3/8