The 3M Random Orbital Sanders are high quality, powerful.28hp tools pneumatically powered, light weight with a low profile. Along with 3M's high quality abrasives, produce superior finishes with long abrasive life and good cut rates. One sanding pad is included.. 3M No-Hole, Non-Vac Tool: with Stikit Disc Pad.. 3M Central Vacuum-Ready Orbital Sander: with Clean Sanding Hookit Disc Pad and threaded attachment feature that allows a 1" external threaded vacuum hose to be securely attached to the tool without having to worry about the hose becoming disconnected.. 3M Self-Generated Vacuum Orbital Sander: designed to work with 3M's proprietary clean sanding dust collection system, the self-generated vacuum model works harder to trap and contain airborne particles during the finishing process. The central vacuum-ready unit easily attaches and detaches to your central vacuum system. With Clean Sanding Hookit Disc Pad. Easily attaches & detaches to central vacuum system.