MBW Plate Accessory Neoprene Paving Block Kit, clips directly to the bottom of the plate. This soft material will not scratch the paving blocks. MBW Vibratory Plates are designed for consistent compaction performance. These plates are the longest lasting in the industry, with unsurpassed exciter quality, including extra heavy duty housings, precision-matched bearings, custom lubricants and precision-ground ductile eccentric shafts.