Genuine Conn French Horn parts, 6D, 8D, 9D, & others, including some Conn trombones. Rotary valve parts. Brand new from Conn-Selmer, not aftermarket. Contact me with your model if unsure. See my item ID#
for my rotary valve lever spring kit. See my item ID# for my rotary valve string, bumpers, & string screw kit.See my item ID# if you just need string.