Metal Locking Pins Pins Pins Clasps Locks for Jewellery Pins Badges Badge Crafts DIY 30 Pieces, Silver

Safe Pins Keepers: It can replace broken screws or locking devices on your pins, badges, etc., so you can use them again instead of having to choose to throw them away. Easy to use: spring fasteners do not require tools, very convenient. Simply lock the spring loaded fixing holes and push the base to fix them. Size: the hole diameter is 1mm, the top diameter of the pin back is 9mm, the bottom diameter is 6mm, and the height is 5mm. The back of the pin fits most metal pins. High quality: the back lock of the pin is made of high-quality copper and coated with a silver coating to make the protective cap firm and not easy to rust. Multifunctional: the pin lock is suitable for pins, badges, jewelry making, DIY, name tags, display books, lanyards, bags, vests, hats, badges, collectibles, etc.