King 2341 4 valve Tuba, Includes, finger button felts, thick & thin stem felts, and valve springs. Old detachable bell 2341 uses the green thin top valve cap felt included, Metal screw in valve guide key sold separately, see my item ID# 16056. See my item ID# 15989 for a waterkey spring & corks. Contact me if you wish to confirm your model's fit.