Functional Features: Precision made high quality BB plastic trumpet. 5 One Piece Bell, 0.459" Bore 5. Weight: Approx. 500g. Extremely robust and sturdy ABS construction. Adjustable 1st, 2nd and 3rd valve tuning slides. Adjustable main tuning slide. 2 Water keys (main tuning and 3rd valve tuning slides). Conventional top sprung valves with interchangeable springs. Rugged one piece molded valve block. Unique twist and lock quick release top and bottom valve caps. Valves can be lubricated by any normal quality synthetic oil. 5 bracing points from bell section to valve block and lead pipe section. Reinforced mouthpiece receiver - accepts any standard metal mouthpiece. Conventional design with smooth comfort hold styling.