Sumake Random Orbital Sanders come with either a 5 or 6 inch pad in both non-vacuum and vacuum models. With a free speed of 10,000 RPM and a 3/16” orbit these light weight industrial sanders are leaders in the industry. Orbital Self-Vacuum Sanders produce their own vacuum used to capture dust in a localized bag. Where the central vacuum orbital sanders hook into a vacuum used to collect dust. Lastly, our non-vacuum orbital system do not have a collection system.