LuxLock TM World's most secure USA Patented Replacement Earring Back Pair with heart disc in 925 Sterling Silver (Patent # US8365369).
This will NOT WORK with guardian post shown in the image with post Latter "B"
It can be used in Friction Back stud and Screw Back stud work with most of the standard earring
It's surgical stainless steel mechanism guarantees strength.
Proudly Made in USA/ Includes one sets of earring backs
Whether you lost your earring backs or are just sick of uncomfortable backs, these LuxLock sterling silver backs are a perfect addition to your jewelry box. Simply slide them onto the post and they easily lock into place. From LuxLock *Includes two sets of earring backs and anti-tarnish pouch *Sterling silver 1 pair of Heart discs.