Features: High torque clock mechanism. Movement size: suitable for clock panel with thickness of 2-3mm, total shaft length of 13mm, thread length of 6mm. Size from center of the hole to tip: the hour hand is 114mm / 4.49 inch; minute hand is 146mm / 5.75 inch; second hand is 133mm / 5.24 inch. Please check the size before purchasing. Requires AA battery (not included). Package content: 1 x clock movement, 2 or 3 clock hands, and mounting hardware. Specifications: Material: Plastic Type: Three kinds optional Movement size: Approx. 56 x 56 x 16mm / 2.20 x 2.20 x 0.63 inch Shaft length: Approx. 13mm / 0.51 inch Thread height: Approx. 6mm / 0.24 inch Suitable for: 2-3mm thick clock panel Clock hand sizes: Approx. 114mm / 4.49 inch (hour), 146mm / 5.75 inch (minute), 133mm / 5.24 inch (second) (measured from center) Applicable panel diameter: 35-40cm / 13.78-15.75 inch Package includes: 1 set clock movement replacement parts Note: 1. Please allow 1-2cm error due to manual measurement. 2. Picture may not reflect actual color due to monitor differences.