Detail 01
Tenor-specific sizing
Sized to the tenor body socket. An alto plug will sit loose and fall out in transit.

Independent shopping perspective
Replacement end plug for Yamaha tenor saxophones. Buy it if yours is lost or cracked and the neck socket is exposed.

Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
Sized to the tenor body socket. An alto plug will sit loose and fall out in transit.
Detail 02
Fills the socket where the neck enters the body, so case pressure does not bend the octave key.
Detail 03
Made for Yamaha tenors; fit on other brands depends on their socket size and is not guaranteed.
Detail 04
Cheaper than any octave-key repair it prevents, which is the whole reason to own one.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It fills the body socket while the horn is in its case, so the case lid cannot press on the octave key mechanism and bend it.
No. This is sized for tenor. An alto socket is smaller and the plug will not hold.
If you case your sax regularly, yes. The octave key linkage sits right at that socket and bends easily under pressure.
It is made for Yamaha tenors. Other brands vary in socket diameter, so check the fit rather than assuming.