Silvertone Caduceus - LPN - She Believed She Could So She Did Necklace, 18"+2" Silver Tone LPN Caduceus - She Believed She Could So She Did Necklace. Charm size is approx. 0.74 x 0.7 x 0.14 inches (HxWxD) including loop. 18-20 inches 1.3mm Box Chain Adjustable with a Lobster claw clasp. Inspirational word pendant is 16mm round metal frame with a domed glass cabochon. Beautiful necklace of encouragement.