Gunmetal Silver Hammered Hoop Earrings These earrings are handmade of Sterling Silver wire, shaped, hammered, and burnished to an Antique Silver/Gunmetal finish. The hoops are 16 gauge, thin enough to be very light, but tumble hardened to remain durable. Hypoallergenic Niobium French hooks or 316L Surgical Steel Leverbacks. 1.5 and 2.0" diameters. Shipped in gift box.