DEWALT DWE6420 Random Orbit PSA Sander, 5" 3.0 Amp motor that spins the pad at 12,000 OPM Separate counterweight design reduces vibration for improved comfort Improved dust-sealed switch to protect against dust ingestion for longer switch life Dust port is designed to fit directly to the DWV010 or DWV012 dust collectors Shorter height allows the user to get closer to work piece. To attach dust port to other vacuum systems with 1-1/4" hoses, use DWV9000 Universal Quick Connector Rubber over-mold in all of the critical areas of the sander Improved dust collection and one-handed locking dust bag