Jupiter, XO series Bb trumpet, valve tune-up kit. Includes 3 springs, brass valve guides, valve cap, stem felts, 4 Oring silencers & 2 rubber water key pads. Contact me if you have a Jupiter 600/700 series, valve guide is different, see my item ID# 16312. See my item ID# 28229 for a standard XO 1602 trumpet with plastic valve guides.
