TOOVREN 30 Pieces Pin Backs, Locking Pin Backs for Enamel Pins, Metal Pin Backs Locking Pin Keepers Locking Clasp with Storage Case

Not More Fear of Losing Pins! The 30/50 pieces pin backs came in a clear plastic case to keep them all in rather than a little baggy. High-quality Material: TOOVREN locking pin backs are made of nickel-plated copper, which are durable and sturdy.They can hold pins in place firmly to keep them secure. Widely Used: The pin backings are suitable for pins, lapel pins, insignia, name tags, display books, lanyards, bags, vests, hats, jean button, badge, backpacks, enamel pin, and more. Easy to Use: They easily replace the basic backs that come with pins, lock and remove pins with the spring-loaded latch design, no tools required, just push the base to lock and secure them, pull to release the lock and remove it. Reasonable Pin Size: The size of the pins back is 0.39 inch in diameter, 0.25 inch in height. It is convenient to carry.