Roymnie 2Pcs Clock Mechanism Replacement Kit Battery Operated Silent

Diverse options: One silent clock mechanism, three pairs of hour(2.08 inches to 4.71 inches)/minute hands(2.83 inches to 4.6 inches), and a second hand - multiple combinations to choose from! | Clock Movement Parameter:The short-shaft clock device has a shaft length of 12 mm (15/32 inches) and a threaded length of 6.2 mm (8/32 inches). The medium-shaft clock device has a shaft length of 16 mm (20/32 inches) and a threaded length of 8 mm (10/32 inches). | High quality: All clock mechanisms operate with a silent sweep, functioning precisely and elegantly, and are powered by just a single AA battery (not included). | Multiple compatible styles: Two silent clock mechanisms with different shaft lengths and thread sizes are compatible with clock faces ranging from 1-12mm in thickness, allowing you to choose the appropriate mechanism based on your needs. | Warm notice: Install hands in order (hour, minute, second) and keep them parallel for smooth operation. Avoid excessive force to prevent bending.