1、[Clock Mechanism Size] 12mm shaft length, 5mm thread length, 52x55x17mm movement size, suitable for clock plates with a thickness of 3 to 4mm. 2、[Versatile Application] This clock mechanism is suitable for repairing or replacing quartz movements, crafting clocks, frameless clocks, wall clocks, and more. 3、[Plastic Construction] The clock mechanism is made of ABS plastic material, sturdy and not easily damaged, ensures stable performance and a long lifespan. 4、[Easy Installation] This silent movement mechanism is easy and simple to install, the three clock hands should be parallel when viewed from the side. 5、[Quiet Operating] During runtime, weak sounds are inevitably produced, which are relatively quiet, this clock movement will provide a quiet environment for your sleep. Item Type: Clock Movement Mechanism Replacement Material: ABS plastic Use: Reliable hanging clock mechanical device replacement parts, suitable for repair and replacement, accurate, low power consumption, quiet Battery: 1.5V AA carbon battery x 1 (Not Included) Shaft Length: Approx. 12mm / 0.47in Thread Length: Approx. 5mm / 0.20in Movement Size: Approx. 52x55x17mm / 2.05x2.17x0.67in Suitable for: Clock panel with a thickness of 3-4mm 1 x Clock Movement 1 x Hour Hand 1 x Minute Hand 1 x Second Hand 1 x Hex Screw 1 x Washer