【Reliable Material】Locking pin backs are made of quality metal material, beautiful and exquisite, sturdy and durable, lock your pins securely to prevent them from being lost
【Size Details】Each pin back diameter of 0.39 inches and a height of 0.29 inches, making jewelry pin back compact for easy storage and portability
【Easy to Use】The metal pin backs are easy to install and remove. When using just push the lapel pin back of the pin gently to lock and pull the enamel pin back to remove.
【Value Pack】Contains 20 jewelry making pin backs, ample quantity and compatible with most standard pin sizes pin locking backs meet your daily needs
【Widely Used】Jewelry making pin backs can be used for brooches, tie pins, lapel pins, lanyards, bag enamel pins, and other DIY projects, with a wide range of applications