DESCRIPTION: Power input 300W, Direct drive system for less vibration and smooth finishing, Lever-action, quick paper clamp system, All ball bearing construction, Efficient dust collecting by ?Through the Base? dust collection, Flush sanding on 3 sides, Capacity: Pad Size: 114 x 228mm, Power Input: 300W, No Load Speed: Spindle: 10,000/min., Orbit: 20,000/min., Orbital Dia.: 2.4mm