This display base will help you create a custom display based on your needs the hole in the center has a 5/8" diameter so that you can easily assemble your display. The round base increases stability to prevent any tipping over. This base is designed for use with 5/8" upright only. This base has a 8" diameter. We can break box quantity on this item for an additional $3.00 per box. Just add the item to your cart and leave notes during checkout.