[Package includes] 4 pcs high torque long shaft clock movements with 10 different pairs of hands, these replacement parts suit well to different styles of clock frame, good for repairing, replacing or making a clock by yourself [Clock Movement Mechanism]Ultra silent Scanning Design, Sweep clock movement without any noise which can offer your sleep a silent environment. [Wide Application]DIY quartz wall clock replacement movement parts, suit for -, three-dimensional embroidery, craft clock,frameless draw clock, good for repairing, replacing or making a clock, also suit well to different styles of clock frame [Size]the total shaft length is . 13 mm/ 0.51 inches, and the thread length is . 5 mm/ 0.2 inches; Jump second movement is suitable for 1 - 3 mm/ 0.04 - 0.12 inch inches thickness of clock panel [Warm notice]Please check the dimensions of this clock mechanism replacement movement before purchase, and when you install them, please keep the hour hand and minute hand parallel; And please do not use too much pressure to avoid bending them Colour:Black+gold Material:Plastic + Metal Size:Overall shaft length: 13mm Package Contents: 4 x quartz clock movement mechanisms 4 Sets x screw accessories 10 Sets x clock hands 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.