3M™ Electric Random Orb. Sandr, 150 mm(6in), 5 mm(3/16) Orbit, 120V, Plug Typ B, Vacuum-Ready, 1/CA The 3M™ Electric Random Orbital Sander is designed to help deliver high-quality surface preparation and finishing results while helping to improve the performance of your 3M Abrasives . With electric power you can help increase mobility without the need for compressed air . Variable speed adjustment lets you choose the speed for your task . Multi-hole back-up pad and shroud for effective dust extraction . Brushless motor requires less maintenance, no brushes to replace. Part of the 3M™ Clean Sanding System- a complete solution with dust extractors, sanders, abrasives, and personal protective equipment 33779