This turntable can be used as a regular turntable on the side of the music box. It will also easily turn the music box into a Mobil music box. There are 3 holes on the turntable to hang small items from. It will fit the side hole of Sankyo white music boxes. Push the rod inside the side hole all the way. Turntable installs counter clock wise. Use the key to wind the music box. Turntable diameter is 15/16". 1/2" high after installing. Once installed the shaft can not be removed.