PARIKHS LuxLock World's most secure USA Patented Replacement EarringBack-18k White-Yellow-Rose Gold PARIKHS LuxLock  World's most secure USA Patented Earring Back Pair in 18k White gold (Patent # US8365369). Easy to handle and provides close and secure grip. It is used for Friction Back stud. It's surgical stainless steel mechanism guarantees strength. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!