YAMAHA FLUGELHORN 13F4 MOUTHPIECE

Yamaha Model 13F4. A slightly smaller version of the 14F4. Easily playedin the middle and high registers. Outstanding flexibility. Similar to a Giardinelli 7FL. Inner Diameter = 16.66mm. Contour = semi-flat. Thickne ss = standard. Cut Depth = standard. Throat = 4.3mm. Backbone = standard