This is a Wizkids WZK90730 Black Round Base Assortment for miniatures.
Featuring an assortment of diameters to cover the most common miniature sizes, WizKids Black Bases allow miniature crafters of all skill levels the ability to customize their figures even further. WizKids Black Bases have low profiles for accurate miniature height and are designed to attach to the bottom of the mini’s terrain.
