Descriptions: Material: The locking pin backs are made of plated copper, rendering them rustproof, and durable, without worrying they will fall off. Easy to install: Just put a pin lock in the back of your favorite pin, then use the wrench to secure it in place, the whole process is less effort and time-saving, nice supplies for every pins collectors and pins lovers Multiple Use: Suitable for pins, badges, name tags, display books, lanyards, bags, vests, hats, badges, collectibles and more. You can pin your badge to your clothes, bags or jeans. NOTE: Please confirm the size before purchasing. Specification: Material: Copper Color: Silver Tone Pin Keeper Size: 1.9x6x5mm(0.07x0.24x0.2)(Inner Dia*Outer Dia*H)
eBay