Features and Benefits:•The Dynabrade Nitro Series™ 11" Diameter Random Orbital Sander will give the user the professional results they desire. This powerful tool with proportionate 3/4" diameter orbit assures a swirl-free finish on a variety of surfaces.Powerful 1 hp, 2,800 RPM motor offers high torque and power, 43% higher hp than previous modelThe sander weight/balance allows the operator to let the tool do the work on large horizontal surfacesSoft grip insulated handle reduces cold air transmission to the operatorModels include weight-mated hook-face sanding pad to further reduce vibration and allow quick abrasive changes11" (279 mm) Dia. Random Orbital Sander, Non-Vacuum0-2,800 RPM, 3/4" (19 mm) Dia. Orbit, 5/8"-11 Spindle Thread