The skeleton key necklaces are not for the faint of heart. You will get looks. You will get into unexpected conversation. Each necklace is one of a kind. Just like you. The assortment of charms makes for a great story. Its up to you to make it up. Authentic vintage skeleton key is home to a wonderful mix of vintage charms, buttons, beads, upcycled vintage jewelry pieces. Simple and rugged copper chain with toggle clasp measures in at approximately 18 inches. Key is 3 1/2 inches long with charms dropping 2 1/2 inches.