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THIS ITEM DISCONTINUED. WATERKEY SPRING HAS BEEN DISCONTINUED BY MFR. WATERKEY & SCREW STILL AVAILABLE.

Trumpet / cornet / marching Fr. horn main tuning slide waterkey set. Includes waterkey, screw, and spring.

Fits trumpet models:

• Holton LT302 MF


• Holton ST303


• Holton ST305


• Holton ST306


• Holton ST550 Admiral


• Holton T602 Collegiate

Fits cornet models (located on mouthpipe):

• Holton C602


• Holton C603


• Holton C605 Collegiate

Fits marching Fr. horn:

• Holton MH101