JK E5 Parforce horn mouthpiece, Melton Series, rim diameter 38.90mm, cup diameter 24.50mm, bore 5.2mm, cup depth 30.50mm, french horn shank ? 7.5mm, silver plated
JK E3P Parforce horn mouthpiece, Melton Series, rim diameter 31.60mm, cup diameter 18.90mm, bore 4.2mm, cup depth 26.00mm, french horn shank ? 7.5mm, silver plated