Metal Pin Back - Locking Pin Keepers

These pin backs locking clasps are made of nickel-plated copper, which are durable and sturdy. They can lock your pins firmly to keep them secure.

Multi-function : These mental pin backs are suitable for pins, insignia, name tags, display books, lanyards, bags, vests, hats, badge, collectibles.

Easy to use : The pin back locking is easy on-off action, spring loaded fastener simply need you to push to lock them, then push on the base to secure them ,finally pull to loosen the lock and remove it.