The disc itself is  " and is made from thin wedges of  quartersawn black locust The pins on the front are made from iron wood. The spiral cuts are to stabilize the wood, otherwise it would warp and dome up. The ring pieces are made from apricot wood
Two layers of lizards fill the ring This is with one layer around the outside. The lizards are made from black walnut and some local hardwood with a very orange heartwood The ring pieces can assemble in more than one way, and the lizards placed around them.