Features: Quartz clock movement, accurate for time; with several metal hands, metal hooks can repair, replace or make your own clock. These replacement parts are very suitable for different styles of clock frames and are very suitable for repairing, replacing, or manufacturing clocks by yourself. Several kinds of hands with different styles and lengths: This kit comes with pairs of clock hands with different styles and lengths for you to choose from, which is very suitable for making and repairing clocks, and also has a decorative effect. Accurate and quiet: The long-axis clock mechanism provides extremely high accuracy and reliability, and the motion is equipped with no ticking sound, thus providing you with a quiet environment. Suitable for DIY quartz wall clocks, wooden wall clocks, metal wall clocks, craft clocks, frameless wall clocks, replacement of bad clocks, etc. Specifications: Movement shaft length: total shaft length 22mm/0.86in, thread height 9.7mm/0.38in, used through 6mm/0.236in thick panel Dimension: 56x56x16.2mm/2.20x2.20x0.63in Material: movement for shell using ABS environmental for protection for raw materials, through CE, ROHS environmental certification, SGS test, in line with the European and American national standards HR1688 movement is a second movement, all through the ROHS certification. Crystal frequency: 32.768KHz Timekeeping accuracy: 30Sec/Month at 1.5V for DC. 25 (unadjusted) Current consumption: Less than 190A at 1.5V for DC. Operating voltage: 1.3V to 1.7V Rated voltage: 1.5V Operating temperature: -10 to 50 Battery life (specification): Approx. 8 Months (UM-3) Weight: Approx. 26g/PCS Second hand output torque: 0.6gf-cm (1.5V) Minute hand output torque: 40gf-cm(1.5V) Length/weight of second hand: 130mm/5.11in, 2g Minute hand length/weight: 280mm/11.02in, 6g Second hand unbalance torque: 0.15gf-cm Minute hand unbalance torque: 6gf-cm Color: black Material: aluminum, 0.4mm/0.015 thick Size: measured from the center hole, hour hand 203mm/7.99in, minute hand 305mm/12.00in, suitable for DIY diameter 600mm/23.62in or more large clocks Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 set DIY clock kit