YAMAHA MU-TR10S Trumpet Straight Mute Copper Model * Brand: YAMAHA * Material: Aluminum (Top), Copper (Bottom) * Features: The weight of the copper makes it easier to achieve stable pitch from low to high ranges. * Design: The conical depression at the bottom contributes to pitch stability and rich sound production. Discontinued product. There are no major scratches, and the condition is good. Thank you for viewing.