Superior Pads and Abrasives RSP38 - 6 inch Diameter 6 Dust Holes with 5/16 inch-24 Threaded Shaft Contour Hook and Loop Pad for 7336 and 97366 Random Orbit Sander. Sand curves and contoured surfaces with a random orbit sander using this pad. Designed to fit the Porter-Cable 7336 and 97366 Random Orbit Sanders, this pad accepts 6-Inch hook and loop abrasive discs. The flexible pad conforms to contours better than standard pads, preventing flattening of irregular surfaces. Installs easily using the built-in 5/16 inch-24 UNF mounting thread on the pad. For use with 6 inch discs. 5/16 inch-24 thread shaft diameter maximum 10,000 rpm. Specifications: Diameter: 6 Inch | Vacuum Holes: 6 | Type: Hook & Loop | Threaded Shaft: 5/16 Inch-24.