These movements look identical to the standard series of mini clock movements, with the exception that these run on 110 V. Dimensions 54.0 mm (2-1/8") (H) x 54.0 mm (2-1/8") (W) x 15.9 mm (5/8") (D). Supplied with the electric cord. "I" shaft diameter is 7.9 mm (5/16"). Rear set. Movement is supplied with a 1.83 M (6') power cord. This movement is for a dial up to 6.4 mm (1/4" thick). The threaded shaft A) measures 7.9 mm 5/16" and the overall length of the shaft or total shaft height is 15.9 mm or 5/8". The sweep hand has a stepping motion. Movements are supplied with hardware. Hands are not included. For hour and minute hands choose from Style "A". Choose from Style "A" sweep hands. *Hands are not included. Product Details Order # : 74-746 Max Dial Thickness: up to 6.4mm (1/4") Threaded Shaft (a): 7.9mm (5/16") Overall Length (b): 15.9mm (5/8")