Thea Studs - WSIt's hard not to look at these shining studs and not feel a sense of intrinsic power. Simple movements of these high polished brass or silver disc shaped studs reflect back out into the world like a radiant beacon of light. These studs are the perfect mix and match option to pair with any of our ear jackets! Brass or Sterling Silver *All of our earrings are made with sterling silver posts and wires Approximately 18. 5 mm round