Interchangeable steel pendant, comes with a choice of three different colored synthetic stones. Please choose your selection of stones below by entering the letters corresponding to the colors of preference. The stones and inlays will be securely locked by inserting the coil necklace through the openings in both cylinders. More optionsf for stones, steel inlays, gold inlays and other inlays. NO COIL INCLUDED, for fitting coil click here.