Material: Our clock mechanism is made of high-quality aluminum and plastic, which is corrosion-resistant and , allowing the clock hands to be parallel to each other without crossing. Powered by 1 AA battery (not included). 7 Different Styles of Hands: The package comes with 7 pairs of clock hands of different styles and lengths to choose from, Perfect for clock creation and repair while providing a decorative effect. Silent and accurate: The second hand moves smoothly on the dial with high accuracy and stability, no ticking, no noise, high accuracy when working, and a quiet environment when sleeping. Wide application: DIY quartz clock mechanism kit is suitable for different styles of clock frames, and can provide -, table clocks, three-dimensional embroidery, craft clocks, frameless clocks, etc. (without battery) Package Included: You will receive 7 sets of clock hands in different sizes and shapes, including medium movement, second hand, minute hand, hour hand, brass washers and brass nuts. These replacement parts fit different styles of clock frames and are suitable for DIY clock repair, replacement or clock building. Movement components measure 5.5 x 5.5 x 1.5 cm/2.1 x 2.1 x 0.6 inches (as shown in the picture) Clock hand length: 52-167 mm / 2.046.57 inches (as shown in the picture) Shaft length: 12 mm/0.47 inches (as shown in the picture) Thread length: 5 mm / 0.19 inches (as shown in the picture) Power supply: 1.5V AA 1 x battery (not included) Second hand movement: sweeping the floor Made of high-quality plastic and aluminum, and corrosion-resistant. Ultra-quiet scanning design. The sweeping clock movement is noiseless, providing a quiet environment for your sleep. 7 sets of clock hands of different lengths to match different sizes of clock dials. Youcan meet all kinds of watch needs. easy installation Application: Repair, replace or make clocks, suitable for , three-dimensional embroidery, craft clocks, frameless clocks, etc. Notice:Some watch parts are made of aluminum, please do not install them with too much pressure, otherwise they will bend. Colour:black Material:plastic+aluminum Package Contents: 1 set x quartz clock movements 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.