Description: Measurement: hand length: total hour hand length: approx. 215.5mm (8.45 inches); Total minute hand length: approx. 227mm (8.94 inches); Second caps: approx. 7mm (0.3 inch) Size: total shaft length: 15mm (3/5 inch); Thread length: 6.7mm (7/25 inch); Jump second movement, suitable for 1 - 4mm (1/ 4/25 inch) thickness clock panel Wide application: they are fit for cross-stitch, three-dimensional embroidery, craft clock, frame-less draw clock, and specially suitable for DIY quartz wall clock replacement movement parts, etc. Good DIY clock supply: suitable for repairing, replacing the broken parts of a clock or serving as good handwork material to make a clock by yourself. Model: HR20120 Specification: Material: Copper, Plastic. Match power: this clock movement replacement just need 1 piece of 1.5V AA battery( battery is not included in this package) Package Includes: 1 Piece Quartz Wall Clock Movement Note:Customer satisfaction is our primary concern. If the product is somehow cracked or broken during shipping, please feel free to contact us. We will try our best to give you a satisfactory solution.