Yamaha Flugelhorn Mouthpiece 14F4

Yamaha Model 14F4. Relatively large inner rim diameter ideally matched to an original “V” cup. Similar to a Giardinelli 7FL but with a larger rim diameter. Inner Diameter = 16.76mm. Contour = semi-flat. Thickness = standard. Cut Depth = standard. Throat = 4.3mm. Backbone = standard.