The original use for this item would be to be placed under a piece of machinery to dampen the vibration of it across the floor or to keep noise levels down. The top was made of cast iron and the bottom Fabreeka's patented material to dampen vibration and sound. If you had 4 of them you could probably use them, at this point probably a cool paperweight Approximately 2 1/4 inches diameter Please examine the pictures as these are always part of the item description. Ask questions before buying. I will combine shipping. Please wait for an invoice from me when combining shipping
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