Description: 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; Match power: this clock movement replacement just need 1 of 1.5V AA battery; Note: the battery is not included in this package; Thread length(Screw part) 14mm, total shaft length approx. 21mm; Material: Metal, Plastic; Movements size: Approx. 5.5 x 5.5 /2.2 x 2.2 inch Package Includes: 1 Piece Quartz Wall Clock Movement