Axis Length: Approx. 13/ Item Type:Wall Clocks Pendulum Movement Product Color: Black Main Material: Plastic Package Included: 1 x Quartz Clock Movement (Without Battery) Notice: 1. Please don tighten the screws too much. 2. To ensure the clock movement normal working, the weight of self matching pendant can not over 100g. 3. 3 clock hands should parallel and don rub others to avoid more electric power consumption.