JK 5C Flugelhorn Mouthp. USA AS
JK USA Flugelhorn 5C AS, Mouthpiece for Flugelhorn, US model, American shank: 9.3 mm, Rim diameter: 27.10 mm, Cup diameter: 16.50 mm, Bore: 3.80 mm, Medium shallow cup, Made of Plexiglas - for more pleasant playing in cold weather