Specifications: Working Pressure: 90 psi; Free Speed: 10,000 rpm; Air Inlet Thread: 1/4" NPT; Hose Size: 3/8"; Height: 4.5"; Average Air Consumption: 2.8 CFM; Maximum Air Consumption (continuous run with load): 5.1 CFM; Minimum Air Compressor Hp Needed: 2 Hp +; Net Tool Weight: 2.2 lbs.; Shipping Weight: 2.8 lbs.; Includes: Oil, 6" vinyl face pad, wrench, orbital sander and 1/4" male nipple; Available Accessories: ATD-2076 - 6" Quick Change (Hook & Loop) Sanding Disc Pad; ATD-2078 - 6" Stick-On Sanding Disc Pad