5″, palm random orbit sander, integral pad dampening braking system to prevent swirl marks, hook & loop disc attachment, microcellular backing pad for smooth, fine finishes, variable speed control to match speed to work piece & task, adjustable from 7,500 & 12,000 opm, optimal on board system for filtering fine dust, soft grip top & body, low vibration operation, incudes soft sanding pad, dampening ring, microfilter dust canister, vacuum hose adapter, sanding disc & carrying bag.