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.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.TypeQuartz Pendulum Trigger Clock Movement Chime Melody KitPendulum clock movement sizetotal 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.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.ColourAs ShownMaterialplastic+aluminumPackage Contents1 * Swing movement 110x56x20mm1 * Gold pendulum1 * Music box3 * Hour hand3 * Minute hand2 * second hand1 * second hand capOnly the above package content, other products are not included.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.