Levane: 13.5mm Beautiful Compact Hinged Hoop Earrings 316 Stainless Steel, 0302 Features a Hinged clasp design. The diameter of the earrings is approximately 13.5mm (or just about 1/2") and the thickness of the earrings is 3mm. Made with solid 316 Stainless Steel The set weights approx. 2.5 grams.