1. Melody effect: the chiming pendulum movement plays the Westminster melody on the hour, automatically silences the chimes after 9 o'clock pm until 6 o'clock am. 2. Practical tools for you: these pendulum trigger clock movement replacement parts are practical for you to design and make your own pendulum clock, help you to replace and change a different look; Please notice that the hands are made of aluminum, don't install them with too much pressure or they will be bent. 3. Type: Quartz Pendulum Trigger Clock Movement Chime Melody Kit 4. Pendulum clock movement size: total shaft length is 17 mm/0.67 inch, the thread length is 9.7 mm/0.38 inches; Jump second movement, which is suitable for 2-6 mm/0.08-0.24 inches thickness clock panel. 5. Hole center to the tip hand size: the hour hands measure approx. 70.5 mm/2.78 inch, 70 mm/2.76 inch and 82 mm/3.2 inch, the minute hands measure approx. 101 mm/3.98 inch, 92 mm/3.6 inch and 117 mm/4.6 inch, and 2 second hand are approx. 100 mm/3.9 inch, 1 second cap is approx. 7 mm/0.28 inch. 6. Colour: As Shown 7. Material: plastic+aluminum 8. Package Contents: 1 * Swing movement 110x56x20mm, 1 * Gold pendulum, 1 * Music box, 3 * Hour hand, 3 * Minute hand, 2 * second hand, 1 * second hand cap. Only the above package content, other products are not included. 9. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.