Mudder Clock Movement Mechanism, 3/ 25 Inch Maximum Dial Thickness, 1/ 2 Inch Total Shaft Length Suitable for repairing, replacing or making a clock Quartz clock movement mechanism repair tool Applicable to cross-stitch, three-dimensional embroidery, craft clock, etc. Movement shaft: 13.5 mm, thread length 6 mm Mute scanning movement, suitable for 1 - 3 mm thickness clock panel