Square Threaded Stud 4-Prong Princess Basket Earring MountingsClassy 4 prong square princess lightweight basket setting threaded stud earrings with bullet nose screw post mounting, the settings are precisely crafted with metal mold for finer finish. These high quality semi polished settings are intended for faceted gemstones, require notches to be cut according to your gemstone with the proper tools and skills to set and finish. Semi Polished setting only, Threaded earring backs and stone sold separately. 0.