Features:The package includes 50 needle backs,50 screws and 1 locking tool wrench, providing a complete and refined set to meet your everyday needs.Made of copper, our products will not rust easily, with smooth surfaces, beautiful appearance and strong enough.You don not need to worry about pins falling or missing, these practical items use pin holders to fasten pins to leather, vests, jackets, hats, work uniforms, lanyards, bags, cards.Just place the pin on the back of your favorite pin and use the viewing tool to hold it in place, the whole process is quick and easy.If you have any questions, please feel free to contact us. Package Includes:50x Back Buckle 50x Screw1x Wrench Specifications:Color:Silver Material: CopperSize:As Picture ShowsQuantity:1 Set note:Please allow a little error on the size due to manual measurement. The color might exist slightly difference due to different displays.