Enhance the security of your cherished pins with our locking pin backs. ideal for enamel pins, these metal clasps provide a reliable grip, preventing accidental loss. To use, insert the pin through your chosen fabric or accessory, place the locking back on the pin, and use the wrench to tighten the screw. This ensures your pins remain securely fastened, even during active use. Features -Color:Silver -Material:Copper -Size:0.90X0.60X0.60cm/0.35X0.24X0.24in -Wide application: these pin backs are designed to fit a variety of badge accessories, making them ideal for different installation scenarios - : you can easily replace lost or damaged pin backs, ensuring your badges are always secure -Portable design: their small and lightweight design makes them easy to carry, can have them ready whenever you need them -Easy installation: these pin backs are finely processed for simple and quick installation, saving you time and effort -Versatile functionality: suitable for use with cap pins, clutch interfaces, and drawstring closures, these pin backs offer great versatility Package list: 10 x Locking Pin Backs 1 x Wrench