Safety Brooch Lock Metal Pins – Back Keeper Caps & Clasps for DIY Jewelry Making

These safety brooch locks are made of metal with a stainless steel finish, providing a reliable back keeper for pins and clasps. Each set includes 10, 30, or 50 pieces, each measuring approximately 10 mm × 5 mm, ideal for securing brooches in DIY jewelry projects. Suitable for crafting, repairs, or creating custom accessories, the pins are easy to use and come in a rhodium‑tone color. They are sourced from Mainland China and contain no high‑concerned chemicals.