1、Compatible with Mechanical Watches: The professional watch repair tool features 6 detachable alloy arms to securely hold the watch. It is suitable for mechanical watches. This tool provides support needed to safely secure your mechanical watches during repair. 2、Lightweight: The fully automatic watch winder is made of premium metal material, making it lightweight, sturdy, and proof to damage.This lightweight construction does not compromise the ability to effectively wind your watches. 3、Easy to Use: The automatic watch winder is easy to use; simply plug it in and switch it on to get it working. The use is simple and convenient and it can be able to save your time and improve your efficiency. 4、Convenient and Sensitive Button: When connected for use, the cable has a switch and a round key that is easy to press and highly sensitive. This design allows you to concentrate on keeping your watch in ideal condition. 5、Secure Fixation: The watch repair tool comes with 6 mounting alloy arms, and the sturdy and wide circular base allows it to be securely fixed on a tabletop, reducing the potential of slipping or moving while working. Item Type: Watch Test Winder Material: Metal 1 x Watch Winder 6 x Alloy Arms 2 x Screws