20PCS Locking Pin Back Locking Pin Keeper Clasp, Metal Pin Backing for Brooch Enamel Lapel Pin Lock

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.