Dynabrade 56818 5-Inch Dynorbital Supreme Random Orbital Sander Self-Generated Vacuum Dynorbital Supreme includes low profile, premium urethane weight-mated sanding pad Dynorbital Supreme models run at 12,000 RPM Rotor utilizes five blades and produces more useable power Composite base has integrated rubber over-mold creating a non-slip feel, as well as insulating from cold