Kanstul KCR 731S Bb-Cornet, short model, Shepherds Crook bell, Ø 11,90mm L-Bohrung (.470"), Ø 120,3mm brass bell (4-3/4"), hand fitted monel valves, metal valve guides, adjustablethird slide ring, first slide saddle, 2 waterkeys (one Amado), silver plated, incl. Kanstul mouthpiece and case