Time only pendulum quartz clock movement. Powers up to 6" hands and the use of a 6" or less sweep second. Includes pendulum and hardware. Use of heavier or larger pendulum may cause clock to operate improperly. Pendulum length is adjustable. Made in USA. Requires 1 'AA' Battery not included. Hands not included. This unit can use "I" Shaft hands under 6". 1/4" dial thickness The Dial thickness refers to how thick the material is that the shaft needs to go through. Total shaft length refers to the length of the shaft when measured from the movement body to the very tip. The threaded portion of the shaft is approx 1/8" longer then the dial thickness number....