Item Raw Brass (not lacquered) and may require some filing down and shaping for proper fit. CHECK SIZE. This item requires a professional to solder on.

Center foot for Eb key guard.
According to manufacturer, item should fit:

142    Selmer  Alto Saxophone  Student 
AS200  Selmer  Alto Saxophone  Student 
2142   Bundy  Alto Saxophone  Student 
1242   Bundy II Alto Bundy  Alto Saxophone  Student 
1042   Buescher  Alto Saxophone  Student

Many more parts available.