ITEM NAME:DIY Clock Accessories Metal Hour Minute Second Hand Mute Clock Movement Kit Set Description Specification: Brand new Length: total shaft length is 13.5mm, thread height is 6.8mm (applicable to panels of about 3mm thickness) Working Voltage: 1.3V to 1.7V Operating Temperature: -10℃ to 50℃ Power Supply: 1.5V Simple and stylish design. Great for repairing, replacing or making a clock of your design. Package included: 1 set x Clock Movements Note: Please allow a little size errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same..Length: total shaft length is 13.5mm, thread height is 6.8mm (applicable to panels of about 3mm thickness). Great for repairing, replacing or making a clock of your design. Detail Image.