USHN012 Features: -Made of 100% recycled plastic material. -Light weight for easy setup. -Decay resistant materials increase the lifespan of your patio deck. -Hole in the center for securing system when stacked under the pier and secured with an anchor spike. -Designed to be installed in various combinations to accommodate for grade changes with riser block. -For use with patio decking system. Country of Manufacture: -United States. Finish: -Black. Dimensions: -Overall Dimensions: 1'' H x 12'' W x 12'' D. Overall Height - Top to Bottom: -6 ". Overall Width - Side to Side: -12 ". Overall Depth - Front to Back: -12 ". Overall Product Weight: -2 lbs.