AR Resonance Classica Bb Trumpet; one piece nickel silver bell; nickel silver leadpipe (lightweight); round tuning slide and bell bend; tuning slide made of nickel silver; Bell diameter: 123mm; ML Bore; MAW valves; 5 mouthpiece adapters for screwing in (various gaps); nickel silver trim kit; Amado water keys; finish: raw; double case with backpack straps; light, classical, small bell with a bright and ringing sound, perfectly at home with classical music; can double as a big band trumpet (similar a Bach 37); fast response, blends perfectly with all kinds of music, the model to choose if you want the unparalleled ease, intonation and feel of an AR Resonance trumpet