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 : these pendulum trigger clock movement replacement parts are practical 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 be bent. Type:Quartz Pendulum Trigger Clock Movement Chime Melody Kit Pendulum clock movement size: total shaft length is 17 mm or 0.67 inch, the thread length is 9.7 mm or 0.38 inches Jump second movement, which is suitable for 2-6 mm or 0.08-0.24 inches thickness clock panel. Hole center to the tip hand size: the hour hands measure . 70.5 mm or 2.78 inch, 70 mm or 2.76 inch and 82 mm or 3.2 inch, the minute hands measure . 101 mm or 3.98 inch, 92 mm or 3.6 inch and 117 mm or 4.6 inch, and 2 second hand are . 100 mm or 3.9 inch, 1 second cap is . 7 mm or 0.28 inch. Colour: Material:plasticandaluminum Package Contents: 1 x Swing movement 110x56x20mm 1 x Gold pendulum 1 x Music box 3 x Hour hand 3 x Minute hand 2 x second hand 1 x second hand cap Only 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.