Yechiry Watch Mainspring Winder, Professional Copper Winding Tool with 20 for Repairing, Wooden Box Storage

[High Precision Design] Engineered for professional watch repairers, this winder features a high-precision design that ensures smooth and accurate winding of mainsprings. the meticulous craftsmanship guarantees minimal wear and tear on delicate components, making it a reliable tool for intricate watch repairs. [Versatile Compatibility] This watch mainspring winder set includes 20 different , making it suitable for most watch mainsprings available on the market. whether you're working on vintage or modern timepieces, this comprehensive set ensures you have the right tool for the job, enhancing your repair efficiency and accuracy. [Durable Construction] Crafted from copper, this winder is erosion-proof and built for long-term durability. the robust material ensures it can withstand frequent use without compromising performance, making it a valuable addition to any watch repair toolkit. [Compact Storage Solution] The included wooden box measures approximately 20.5cm x 13.8cm x 6cm, providing a excellent fit for all your watch repair accessories. the compact and organized storage keeps your tools secure and easily accessible, saving you time and effort during repairs. [Professional Grade Tool] Designed specifically for watch maintenance professionals, this mainspring winder set meets the highest standards of quality and functionality. the ergonomic handle and precise winding mechanism make it an indispensable tool for anyone serious about watch repair.