We are counted as one of the major Brass Piccolo Trumpet Manufacturers and4 Valve Piccolo Trumpet Exporters in India. our new 4 Valve PICCOLO TRUMPET all brass, key of b flat and can slide wind pipe out to change to key of A. 3 34" (9.5cm) bell 11" (18.5cm) total length excluding mouthpiece. As mentioned the windpipe is extendable and there are slide adjusters at 1st and 3rd valve. B-Flat Piccolo Trumpet is available with Solid Brass construction with nickelchrome plating will last for years.