Movement/Motor hanger attaches to your clock for mounting to wall.  Please note the different styles and compatible Coastal Tide Clocks motors.  This hanger is made for the following clock motors: M11, M13, M20S, M19, MS19, MS21, M21, M26, MS26 and MS31.  It is also made for these tide clock motors: TM5.2 and TM 15.4.