Dynabrade 50630 5-Inch Rubber-Face Non-Vacuum Disc Pad Sanding Pads are perfectly weight-mated to Dynabrade tools, for achieving consistent swirl-free finishes High quality backup pad Weight-mated for smooth running and minimal tool vibration Ideal for PSA-type disc adhesion Remove abrasive adhesive paper liner and press abrasive to vinyl-face sanding pad Quick disc removal