Kanstul ZKT 1500A Bb-trumpet, Signature Series, bore size Ø .460", bell diameter Ø 5", weight 2 1/2lbs., Nr. 7 bronze bell, hand-fitted monel pistons, metal vlave guides, heavy valve caps, 1st & 3rd valve slide stopp, weighted braces, weighted bell and tuning slide, heavy receiver, heavy caps, clear lacquered, incl. 2nd tuning slide, without mouthpiece and case