The Speedway brand features over 1000 Automotive Tools and accessories including Lifting Equipment, Air Compressors, Air Tools, Welders, Jump Starters, Battery Chargers, Power Tools and Mechanics Tools designed for the automotive enthusiast and Pro in mind. If the job is automotive or shop related, Speedway has the perfect tool from Start to Finish. The SPEEDWAY High Speed Sander features a free speed of 18,000 RPM. This sander is ideal for light sanding jobs such as feather edging and rust removal. Three resin fiber backing pads are included: 3 inch, 4-1/2 in., and 5 inch. It has a built-in speed regulator as well as side exhaust. The air inlet on the sander is 1/4 in. and the air hose is 3/8 in. Its average air consumption is 4 CFM.