Classic ORBIT circle post with C-line back closure. Modular set to add to your collection. The new construction of C-line closure cuff lets you experiment and play with post-earrings you already own. war as simple post-earrings, combine it with c-line back closure or have new versions with already preowned post-earrings. S - 21mm M - 25mm Sold as a single earring ( front and back) in silver or 18K yellow gold plated silver. Handmade in silver in Brooklyn studios.