Clock movement: high torque clock movement with hook, long shaft, drive long clock hands (10 mm to 450 mm) Total shaft length: 28 mm (1-1\/ 10 inches), thread length: 15.4 mm (3\/ 5 inches), suitable for 9 - 13 mm (9\/ 25 - 1\/ 2 inches) thickness clock panel Size from the center of the hole to the tip: the hour hand is approx. 203 mm\/ 8.0 inches long; The minute hand is about 305 mm\/ 12 inches in length Warm notice: there are some clock parts made of aluminum, please do not install them with too much pressure or they will be bent Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.