Good clock replacement: Ideal for repairing, replacing, or making a clock. Simple style clock movement: Reliable quartz movement with accurate timing. Simple design, easy to use. Wide application: Suitable for repairing, replacing, or creating a home clock; applicable to three-dimensional embroidery, craft home clocks, frameless dial clocks, clockwork, and more. Perfect for DIY clock projects, clock accessories, and clock parts. Energy efficient and precise timekeeping. Great DIY clock supply: Suitable for repairing or replacing broken clock parts, or as a material for handmade clock projects. Type: Clock Movements Power: 1.5V AA battery (not included) Total Shaft Length: 31mm / 1.22in, Thread Length: 24mm / 0.95in, suitable for clock panels with thickness of 16–21mm / 0.6–0.8in. Instructions: 1. Attach the clock movement to the item to be installed. 2. Install in accordance with the standard 12 o'clock position. 3. Pull out the positioning pin from behind the movement, then insert the battery. (Do not insert the battery before pulling out the locking pin.) Dimensions: Total shaft length: 31mm, Thread length: 24mm Material: Plastic + Aluminum Color: Black + Red Package contents: 1 x Clock Movement 2 x Hour Hand 2 x Minute Hand 1 x Second Hand 2 x Rubber Gasket 2 x Metal Gasket 2 x Screw Cap 1 x Second Hand Nut Only the above items are included; other items are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3cm.