• Exclusive single-piece hub design reduces pad vibration and ensures smooth performance. • Sanding Pads are perfectly weight-mated to Dynabrade tools, for achieving consistent swirl-free finishes. • Holes are precisely located to achieve proper alignment with abrasive discs for optimum vacuum capabilities. • Short nap pads for use with reattachable discs. Long nap pads for use with non-woven nylon discs.