The Bona Scorpion DCS expansion drum sanding machine is designed to be a lightweight professional tool that can be easily and very safely operated by any user. Unique electrical power supply safety features such as the “dead man” handle device guarantee safe operation. Bona Scorpion is the perfect combination of functionality, reliability, safety, and ease of use. It also has an attached dust containment system. The vacuum operates via an independent switch and can be connected to other machines. The vacuum unit includes a disposable dust bag and an additional HEPA filter.