This an accurate dependable American made movement, I installed one of these movements in a clock of mine and 10 years later it is still going!Movement Specifications:Case size: 2-1/8"W x 2-1/8"H x 5/8"D.Shaft Diameter: 5/16" (8mm)Motor: Self-Start, 1 second step.Minute hand shaft is 9/16" overall and the threaded shaft is 5/16".Hand specifications:E. Minute hand-4 1/8"F. Minute hand-4 3/4"G. Minute hand-4 1/2"H. Minute hand-5 1/4"After check out be sure to let me know which hands you want E, F, G, OR ,H