BERP Buzz Extension and Resistance Piece for Large Shank Trombone / Euphonium Trombone Large Shank

BERP Buzz Extension and Resistance Piece for Large Shank Trombone / Euphonium Trombone Large Shank

• Allows a player to practice in silence
• Package Dimensions: 2.286 H x 15.24 L x 9.652 W (centimetres)
• Package Weight: 0.022 pounds
• Country of Origin : United States