Exclusive single-piece hub design reduces pad vibration and ensures smooth performance * Sanding Pad is 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 * Industrial-rated for tough production performance