DENIS WICK 5880E-6BY EUPHONIUM MOUTHPIECE CUP DIAMETER 25.4mm SILVER PLATED

USA & Japan fitting. Like 6BL with euphonium bore

• Diameter:37.92 mm
• Cup Diameter:25.40 mm
• Rim Width:6.26 mm
• Bore Size:7.12 mm
• Back Bore:Medium