Crafted in 925 sterling silver and designed to work well to enhance your existing studs, our chic earring jacket works best with a 5mm or 6mm round stud inserted in its center. By adding a feminine halo earring jacket that is prong set, you can transform your simple studs to a lovely CZ sterling silver earring, in one easy step. Simply slip your existing stud earring post through the hole in the middle of our earring jacket and you have a new look instantly. The halo setting will work perfectly with a variety of sterling silver studs and gemstone post stud earrings. The inner diameter of our clear CZ earring jackets measures 6mm x 6mm and the outer diameter measures 10mm x 10mm. The post hole measures .5mm and the total weight of the pair of rhodium plated earring jackets is a lightweight and very comfortable 1.7 grams. These earrings jackets are an easy way to add beauty to your sterling silver studs. Please note that these are earring jackets only. Earrings sold separately.