The Yamaha standard, pro, or custom Xeno Trumpet easy to install valve felt & cork replacement kit. Comes with valve stem felts, top cap felt washers, and 2 water key corks. See my item ID# 16028 for a full standard trumpet kit, 17033 for a Pro kit, and 16027 for a custom Xeno repair kit. Fits many. Contact me if you wish to verify your model's fit.
