Provides support on dual action sanders for 3M™ Stikit™ discs. Durable foam body. Yellow vinyl pad face provides good adhesion of the discs and allows easy removal. Edges are contoured to allow for sanding curves and close to moldings. 5\" Max operating speed: 10,000 RPM 6\" Max operating speed: 7000 RPM. 8\" Max operating speed: 3000 RPM.