Size: The total length of the shaft is about 23.5mm and the thread length is about 15mm; Please keep the hour hand and minute hand parallel when you install the clock movement kit Quality Material: The movement is made of sturdy ABS material and , and the clock hands are made of quality aluminum, lightweight and corrosion-resistant to provide you with a pleasant use and decorative effect Choose Your Style: Our clock hands are available in classic modern and retro styles, and you can choose the style and hand length that best suits your clock replacement or DIY at no extra cost. Precise Timekeeping & Sweeping Movement Engine: Features high-precision clock mechanism, ensures the accuracy of the watchmaker; Quiet movement; Powered by one AA battery, easy to hang on the wall Wide Application - DIY quartz wall clock replacement movement parts, suitable for repairing, replacing or making a clock, most of them can be applied to cross stitch, three-dimensional embroidery, craft clock,