Sterling Silver Hoop Earrings 38mmThis . 925 sterling silver hoop earring is crafted from 1. 3mm tubing and designed to have a smooth look with almost no visible closure point. The ear wire is soldered into one end of the tubing and curved to follow the contour of the hoop; the wire simply slides into the tubing at the opposite end of the hoop. Gently pull the hoop open to open or close the earring. Add your own beads, drops, dangle or findings designs to create unique earrings. 1