The Genesis GPS2304 5 in. Random Orbit Sander brings fast, swirl-free sanding from the commercial woodworking shop to the home workshop. It uses a standard 8-hole pattern 5 in. hook-and-loop sanding disc. Dust collection is through the pad into the included dust bag. The dual action of spinning and orbiting at the same time increases the sanding rate by 50% over a standard palm sander. It also creates a random sanding action that eliminates swirl marks in the final preparation of your work piece. A 3-Piece Sanding Disc assortment is included.