Caster Dampening Pad for 4" x 4-1/2" Top Plate SKU# DP4X4.5 $5.61 QTY Add to Cart Volume discounts are available for bulk or frequent orders. Contact Us. Jump to Full Product Specification Lead Time to Ship, Shipping & Returns Lead Time to Ship: Ship Weight: 0.1 lbs 30 Day Returns Returned product is subject to a 30% restocking fee.