General description High torque quartz clock movement designed for DIY clock projects. This clock motor features a long shaft and is capable of driving clock hands ranging from 10mm to 450mm in length. Technical specifications Total shaft length: 23mm (9/10 inch) Thread length: 15.2mm (3/5 inch) Suitable for clock panel thickness: 9-13mm (9/25-1/2 inch) Minute hand length: approx. 175mm (7.0 inch) Second stoppers: approx. 7mm (0.3 inch) Compatibility and accessories Includes hardware and 2 clock hands Comes with instructions for installation Installation Ensure the hour hand and minute hand are parallel during installation to prevent bending