The Ingersoll Rand Vacuum-Ready Random Orbital Sander is ideal for high-quality finish in autobody and woodworking and produces a swirl-free finish. Speed (RPM): 10,000, Min. Hose Size (in.): 5/16, Variable Speed: Yes, Spindle Size (in.): 8, Vacuum Ready: Yes, Air Consumption (CFM): 8, Air Inlet Size (in. NPT): 1/4, Case Included: No, Pad Diameter (in.): 6, Random Orbital: Yes, Side Handle: No, CFM at Load: 16