26mm. The middle thickness is 10mm. The thickness tapers down to a fine 2mm outer edge. The hole is on the edge so that they can be worked with in a dangling fashion. These old Italian beauties have some real sleek style.
If you are not delighted with your beads and beading supplies, we will gladly give you a store credit, exchange , or a refund within 30 days of purchase. Please see our shipping & returns page for the full details.