Movement Hole (pinhole): Precision Hole (coarse hole) Material: Stainless Steel, Plastic Colour: Black Movement Size: 5.6cm*5.6cm*1.6cm The Total Shaft Length is 12mm and the Thread Length is 5mm. Packing included: 1x Watch Movement DIY Repair Clock: Can be used to repair, replace the broken clock movement, or as a hand-made tool, this watch movement only requires a 1.5V AA battery, (note: does not contain the battery). The time of the needle hole is 0.55cm, the diameter of the minute hand is 0.35cm, and the diameter of the second hand is 0.1cm. Steps for installing the hands: The first step is to install the hour hand. The second part is to install the minute hand. The third part is to install the second hand, the hands are all aligned at 12 o'clock, and the pointer should be kept parallel and not rubbed. Pay special attention to the fact that the second hand does not scratch the glass to avoid time errors. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!