Lacquered yellow brass, .453" medium bore, hand crafted 4.8" bell, reverse rose brass leadpipe, stainless steel pistons, two-piece valve casings, elliptical and rounded tuning slides, 1st valve slide thumb saddle, 3rd valve slide throw ring w/ vertical stop, pearl inlaid & metal finger buttons, regular & light-action spring sets, standard & weighted bottom valve caps, includes JBM-TR3C mouthpiece & XO Designer Series case