This Ingersoll Rand dual action air sander features a built-in silencer that muffles noise as you work. Its an ideal choice for feather edging, metal preparation and finish work on body filler. CFM at Load: 17, Pad Diameter (in.): 6, Variable Speed: Yes, Vacuum Ready: No, Random Orbital: No, Side Handle: No, Case Included: No, Air Inlet Size (in. NPT): 1/4, Min. Hose Size (in.): 3/8, Speed (RPM): 10,000, Air Consumption (CFM): 4