These quartz movements make clockmaking a snap. No clock building expertise is required. Suitable for use on 14 inch Plates (sample shown) Operate on one "AA" battery (sold separately) Built-in molded hanger holds up to 4 lbs. Shaft diameter: 5/16 inch Case size: 2 7/32 H x 2 7/32 W x 5/8 D Comes with hour and minute hands Hands are metal. Minute hand lengths given, hour hands proportionate. Black hands can be spray painted any color. Up to 1/4 inch can be trimmed off tip if needed.