Tenders for Supply of Band Instrument- Slide Trumpet, Bb Key, Silver Or Gold Plated Finish 3 Stainless Steel Pistons, 2 Water Key, 4 Slides Open, Yellow Brass Bell, Professional System, Bell Size 130Mm Approx And Bore Size 20Mm Approx, With Case Mouthpiece And Cardholder Along With Accessories 2 Spring Set Brand- Diplomat Usa.