Features: Engineered with a scratch-resistant automatic bearing, this watch repair tool ensures precise winding without damaging delicate internal components, suitable for both mechanical and watches. Crafted from plastic, the tool features versatility for multiple watch models and easy installation for effortless operations during maintenance tasks. Ideal for professional horologists and hobbyists seeking fine equipment, it simplifies intricate repairs for users ranging from workshop technicians to home based collectors. Perfect for home workshops or professional studios, its ergonomic design enables quick adjustments during routine maintenance, watch restoration, or frequent time setting scenarios. Rigorously tested for stability and precisions, this watch maintenance tool delivers professional grade performances while preserving timepiece integrity during winding and calibration processes. Specifications: Component: Plastic Size: approx.93x9x3cm/36.61x3.54x1.18inch Quantity: 1 Set Package Includes: 1 Set Watch Repair Tools Seamless Automatic Bearing Winding Tool note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.