Bass clarinet / saxophone lyre screw.
Fits bass clarinet models:
- Jupiter 673BN
- Jupiter 675
- Jupiter 1000
Fits alto sax models:
- Jupiter 667GN - after serial number 500000
- Jupiter 767BL - after serial number 500000
- Jupiter 767GL - after serial number 500000
- Jupiter 869SG - after serial number 500000
Fits tenor sax models:
- Jupiter 687GN - after serial number 500000
- Jupiter 787BL - after serial number 500000
- Jupiter 787GL - after serial number 500000
- Jupiter 889SG - after serial number 500000