Uxcell 30 Pcs Silver Gold Metal Pin Backs Locking Pin Keepers Locking Clasp for Badge Crafts

What is this? These pin backs locking pin keepers are made of copper, with a smooth touch and can be locked without the need for tools. The sturdy structure can firmly lock your pin, ensuring long-term use, reducing wear and tear, and not easily falling off. Suitable for pins, nameplates, display books, ornaments, hats, badges, etc. What will I get? This Locking Clasp is in size of: Diameter: 10/7mm, 0.39/0.28 inch; Pin Length: 9.5mm/0.37 inch; Height: 7mm/0.28 inch Color: Gold, Silver Material: Copper In the Package of: 15 x each two colors Caps, 30 x each two colors Pins Is there any advantages of the product? This Pin Backs is compact and easy to carry, sturdy and durable, suitable for various occasions, easy to use, and can keep your lapel pins without tools, badges, and brooches securely in place. How to use it? First, choose the appropriate size to ensure that the selected position will not damage the structure of the clothing or item. No other tools are needed, just push the fastener to the locked position. If unlocking is needed, simply push forward on this basis and finally unlock and remove it. What should I notice? Due to manual measurement, please allow 1-2mm error.