Includes screw, plastic thumb hook and bush (black). Includes the brass holder that is soldered to the sax body.

We have used this on many brand Alto saxophones and some Tenor Saxophones.

Swivel style plastic thumb hook assembly provides flexibility and comfort.

Includes holder, hook, bushing, and screw. Holder solders onto saxophone main body tube.

Assembly works for all alto saxophones. Note that individual parts may not be interchangeable with other saxophone thumb hook assemblies or parts