These tie tack pin backs are crafted from durable brass and offer a secure and polished way to fasten pins, brooches, badges, or custom jewellery pieces. The classic butterfly clutch design provides a snug fit, ensuring your accessories stay in place during wear. Ideal for DIY projects, replacements, or creating your own lapel pins, these pin backs are both functional and easy to use, with a smooth, professional finish that complements a variety of designs.