Hey DIYers and craft enthusiasts! These tetsunoshin EL round clip rings are super handy for all sorts of projects. Each ring measures 12mm in diameter with a 2mm thickness - that perfect small-but-substantial size for jewelry making, keychains, bag attachments, or any project where you need reliable connecting hardware. They come in a nice nickel finish that looks clean and professional. You get 4 rings per pack, and this listing gives you three separate packs - so 12 rings total! The quality is exactly what you'd expect from Japanese hardware - precise, consistent, and durable. The nickel plating won't tarnish easily, so your projects will keep looking great. Whether you're making custom jewelry, repairing bags, creating keychains, or working on any craft project that needs sturdy connecting rings, these are totally up to the task. They open and close smoothly but stay securely locked when you need them to. Seriously, if you work with hardware regularly, having a supply of quality rings like these is essential. They're one of those basic supplies that you'll find yourself reaching for again and again once you have them in your toolkit. The three-pack means you're stocked up for multiple projects, which is always convenient when you're in the middle of creating something and don't want to run out of essential components.