Triangle Key Ring Winding Key for Music Box Movement - Two Keys 3/4 Inch and 1/2 Inch Fits all Sankyo, Yun Sheng, HuiLiDuo and most Swiss musical movements. Chances are, this is the make you have. Gold and Silver You will receive 2 keys. The Music Box movements are shown for clarification only and are not part of the listing. Easy to use. Vintage Quality Customer Service" is included.