Pendulum clock movement size: shaft length is 17 mm/ 067 inch, the thread length is 97 mm/ 038 inches; Jump second movement, which is suitable for 2-6 mm/ 008-024 inches thickness clock panel. Hole center to the tip hand size: the hour hands measure approx. 705 mm/ 278 inch, 70 mm/ 276 inch and 82 mm/ 32 inch, the minute hands measure approx. 101 mm/ 398 inch, 92 mm/ 36 inch and 117 mm/ 46 inch, and 2 second hand are approx. 100 mm/ 39 inch, 1 second cap is approx. 7 mm/ 028 inch. Melody effect: the chiming pendulum movement plays the melody on the hour, automatically silences the chimes after 9 o'clock pm until 6 o'clock am. 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. Colour: black Material: plastic Package Contents: 1 * Swing movement 110x56x20mm 1 * Gold pendulum 1 * Music box 3 * Hour hand 3 * Minute hand 3 * Second hand Only the above package content, other products are not included. Note: Light 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.