Description These brooch pin backs are made of premium material, small in size, lightweight and durable for long time use. Applicable to uniform, badges, name tags, brooch, tie tack lapel. Also can used for jewelry making and DIY craft projects. Features -Color:Golden, Silver-Material:Copper-Size:1.10X1.10X0.70cm/0.43X0.43X0.28in-Rugged, unique buckle design securely locks your needles, ensuring they do not fall off or get lost. - Suitable for pins, bags, clothing, hats, buttons, badges, enamel pins and DIY crafts, is small and easy to carry without burden.- Made of safe and stable material, these pin backs provides good grip of pin, keep it stay in place.- Great replacement for pin backs, these pin backs are a must-have for your uniform, holding badges or name tags.-These pin backs locking clasps are made of good material, which are durable and sturdy. They can lock your pins firmly to keep them secure.Packing list: 50 x Pin Backs1 x Storage Box