A rotary abrasive device and for facilitating the removal of dust from a work surface. The rotary abrasive device may include a plenum, a plenum coupled to a vacuum source via a plenum exhaust. The shape of said plenum may be varied depending upon application. The plenum exhaust is right biased in a clockwise shaft rotation in order to pick-up debris off of a clockwise rotating abrasive device. The invention may include a rotary constraining member to allow the shaft to rotate freely through the plenum and a locking means to keep the plenum in a substantially fixed position. According to further illustrative embodiments of this aspect of the invention, the plenum one or more inlets of a fixed or varying width to pick-up debris off of a work surface.