KGU brass KGU Brass Booster RADIUS Silver Brushed for Trumpet Protection Racket ●The outer tube of the

●The outer tube of the tuning slide is made of highly durable nickel silver

●Effects: 5 types (headphones only)

and two pockets on the outside for storing small items

■ Carefully selected silicone that sounds good This high-performance insulator is made using KOTOBUKI soundproofing know-how

KGU brass KGU Brass Booster RADIUS Silver Brushed for Trumpet Protection Racket ●The outer tube of theKGU Brass (KGU MUSIC) Trumpet Mouthpiece Booster Model: RADIUS Finish: Brushed silver plate Weight: Approx. 45g The weight and style are geometrically engineered to ensure that the weight of the booster and mouthpiece are equal, aiming for the booster and mouthpiece to blend together as one. *Please note that this product may not be compatible with heavy or megatone mouthpieces, as well as with other mouthpieces depending on their shape. *Image is for