Quality Material: Upgraded locking pin backs are made of quality nickel-plated copper, durable and sturdy, they can lock your pins firmly, ensuring that your pins stay secure and in place. Easy to Use: Easily 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. this makes these locking pin backs a great choice for those who frequently wear and swap out pins. Secure Your Pins with Ease: These locking pin backs provide an added layer of security to your pins, ensuring that they stay securely in place. unlike traditional pin backs, these locking pin backs have a unique snap design that prevents keeping your pins from falling off, getting lost. Widely Used: The metal pin backing are suitable for pins, lapel pins, name tags, display books, lanyards, bags, vests, hats, jean button, badge, backpacks, enamel pin and other DIY projects. Value for Money: This product comes in a package of 60, which provides ample locking pin backs, the size of the pins back is 0.4inch diameter, 0.25inch height. they are compatible with most standard pin sizes and stylesto use for all your pin needs. Why you choose us? Safe alternative pins keepers: pinbacks provide you replacement tothe torn screw or wrench lockingmechanism; Keep your objects inplace during important moments. Pin backs locking clasps aremade of nickel-plated copper,durable, smooth surface, sturdyand lock your pins firmly to keepthem secure. Excellent Design: the pin backs match for most metal pin; Metal pin backs provides good grip of pin to keep it stay in place.These locking pin backs are very smooth and prevent the skin from getting stuck injury. No tool required: easy on-off action, spring loadedfastener simply need you topush to lock them, then pushon the base to secure themand pull to loosen the lockand remove. Multifunctional: secure pinbacks are suitable for pins,insignia, name tags, displaybooks, lanyards, bags, vests,hats, badge, collectibles, etc.60PCS Locking Pin Back Locking Pin Keeper Clasp, Metal Pin Backing for Brooch Enamel Lapel Pin Lock