Maria Tash Plain Gold Hoop Earring — Rose Gold, 5mm, 18 Gauge 18 Gauge= 1.02mm This solid gold ring is perfect for those who want a sleek look. The clicking mechanism makes it easy to insert and remove. Item sold singly. 14k solid gold, nickel free and hypoallergenic. Worn once; cleaned per brand care instructions. Comes from a clean, smoke-free, pet-free home.