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)