marsch smart Smartphone holder for clarinet large, for clarinet diameter 28 - 31mm, can only be installed betwenn upper and lower part on 5-part clarinets, 4-part assembly on the bell, clamping range up to 95 mm mobile phone width, square brass rod 4 mm in brass nickel plated and 270 mm long, swiveling 360 degrees in horizontal direction, swiveling 85 degrees in vertical direction