40PCSLocking Pin, Backs LockingPin,Keepers Clasp,Flat Head clamp,Needle Back Lock,Suitable for brooches, Lapels, Badges, Enamel Needles and DIY Crafts,Without Needle

These pin back lock buckles are made of high-quality nickel plated copper, durable and strong.

They can lock the needle firmly to keep it safe and prevent it from falling off or losing.

Easy to use; No tools are needed.

The spring type latch design is convenient for locking and disassembling.

When using, just push the base to lock and fix, and pull to release the lock and remove it.

The needle back lock can be replaced at any time.

Wide scope of application: these metal needle backs are suitable for brooches, pins, badges, reference strips, name tags, enamel needles, lanyards, bags, vests, hats, collectibles, jewelry making and DIY crafts.