Pendulum clock movement size: the total shaft length is 17 mm/0.67 inch, the thread length is 9.7 mm/0.38 inch; Jump second movement, which is suitable for 2-6 mm/0.08-0.24 inch thick clock panel. Hole center to tip needle size: the hour hands are approx. 70.5 mm/2.78 inch, 70 mm/2.76 inch and 82 mm/3.2 inch, the minute hands are approx. 101 mm/3.98 inch, 92 mm/3.6 inch and 117 mm/4.6 inch, and 2 second hands are approx. 100 mm/3.9 inch, 1 second stopper is approx. 7 mm/0.28 inch. Melody effect: the chiming pendulum movement plays the melody on time, automatically mutes the chimes after 9 pm until 6 o'clock. Practical tools for you: pendulum trigger clock movement replacement parts are practical for you to design and make your own pendulum clock, help you replace and change a different look; Please note that the hands are made of aluminum, do not install them with too much pressure or they will be bent. Color: black Material: plastic Package Contents: 3 x Swing Movement 110x56x20mm 3