Selmer 366H French Horn Care Kit Go to amazon.com Related posts Expert choice for slide grease french horn FeaturePolish ClothRotor Oil & Tuning Slide GreaseMouthpiece Brush, Bore BrushValve CordInstructions DescriptionCare Kit, French Horn, Conn-Selmer Contains: Polish Cloth, Rotor Oil, Mouthpiece Brush, Bore Brush, Tuning Slide Grease, Valve Cord, And Instructions.