Features: The Long shaft clock mechanism is made of durable plastic,which with unique design,suitable for replacing or making a clock by yourself. Ultra silent Scanning Design,Long shaft quartz movement replacement kit is sweep silent & without any noise, Sweep clock movement can offer your sleep a silent environment. DIY quartz wall clock replacement movement parts, suitable for repairing, replacing or making clocks and watches. Absolutely suitable for cross stitch, three-dimensional embroidery, craft clocks, frameless wall clocks, etc. Easy for installation,these replacement parts suit well to different styles of clock frame. Specifications: Material: plastic+quartz Applicable diameter: approx- 30cm/11.8in Hour/Minute/Second length: 73/110/115mm Core size: 69x5616mm Shaft length: 13mm Screw height: 6mm Color: black/white & red/gold Package Includes: 1 Set Quartz Clock Movement note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.