"These quartz movements make clockmaking a snap. No clock building expertise is required. Installs through a 5/16 inch hole. Case size is 2 1/4 x 2 1/4 x 5/8 inch. Built-in molded hanger holds up to 4 lbs. Comes with black metal hour and minute hands, which can be spray painted any color. Up to 1/4 inch can be trimmed off tip if needed. Suitable for use with 14 inch plates (sample shown). Operates on your AA battery (not included)."