Product Selling Point: 1. Color: This product has rich colors, you can choose to match, there are gold, silver, blue, different sizes, to meet your different needs. 2.Packing box:The product package comes with a plastic storage box, which is more suitable for storing and sorting or storing debris. 3.practicability:This box of watch crown fits many watches and can be repaired or upgraded. 4.size:This product is small, easy to carry, small size, no matter where you go, you can put it in the bag. 5.The product is perfect for watch makers and watch repairmen, as well as people who love watches. Product Specification: Product Name: Watch repair parts kit Materials:Copper Size:3.0-7.0mm Color:Multicolor Weight:160g/0.35ib Package include: 1 Box Watch Crown Parts(150-160pcs) Note: 1.Please Allow 1-2cm Differences Due To Manual Measurement. 2.Due To The Light And Screen Difference,The Item Is Color May Be Slightly Different From The Pictures. Service Guarantee: If you have any questions about our products, please feel free to contact us, we will provide you with quality services and the best solutions.