Description: 【Product】: This is a watch repair tool, specifically a balance wheel adjuster and holder, essential for any watch repair kit. 【Material】: Made from quality alloy steel, ensuring durability and longevity of the tool. 【Size】: The product dimensions are approximately 3.6cm/1.42inch inner diameter and 4cm/1.57inch outer diameter, making it suitable for most watch sizes. 【Functionality】: This tool is designed to hold and adjust the balance wheel of watches, providing precision and ease during repairs. 【Versatile Use】: This tool is not only suitable for professional watch repairers but also for those who Diy watch repair, Suitable for different types of watches. Package Includes: 1 Watch Balance Holder Note: Please allow slightly errors due to manual measurement and different monitors.