Round 4-Prong Baby Threaded Stud Earring MountingsPair of round 4 prong threaded post stud earring settings are made with the Die Struck Method. The method is a centuries old technique of making durable jewelry with exceptionally fine details and a long lasting, breathtaking luster. These high quality semi polished standard prong settings are intended for faceted gemstones require the proper tools and skills to set and finish. One pair of semi polished blank settings only, Earring backs and stone