Good clock replacement: Ideal for repairing, replacing, or building a clock. Quartz clock movement: Reliable and accurate timekeeping. Simple design, easy to install and use. Wide application: Suitable for home clocks, craft projects, DIY clock kits, clock repairs, and custom clock builds. Energy efficient. Accurate timing. Perfect for DIY clock projects and clock repair. Type: Clock Movement Power: 1.5V AA battery (not included) Total Shaft Length: 31 mm (1.22 in), Thread Length: 24 mm (0.95 in) Fits clock panels with thickness of 16–21 mm (0.6–0.8 in). Installation Instructions: 1. Attach the clock movement to the clock face. 2. Align the hands so 12 o’clock is at the top. 3. Insert the battery only after removing the positioning pin from the back of the movement. (Do not insert the battery before removing the pin.) Quantity: 10 pcs Color: Black Material: Plastic Package Includes: - 10 x Clock Movements - 20 x Hour Hands - 20 x Minute Hands - 10 x Second Hands - 20 x Rubber Washers - 20 x Metal Washers - 20 x Screw Caps - 10 x Second Hand Nut Caps Note: Package includes only the items listed above. Batteries and other accessories are not included. Color may vary slightly due to screen settings and lighting conditions. Measurements are subject to a tolerance of ±1–3 mm.