ML bore .460″ = 11,68 mm;Yellow brass bell: Ø 4 13/16″ (122,24 mm);Bell rim with wire;Gold brass leadpipe, nickel silver receiver;Thumb hook on 1st valve slide;Finger ring on 3rd valve slide;Stainless steel pistons;2 water keys;VINCENT BACH 7C mouthpiece and valve oil;Light weight case with rucksack assembly;Silver plated finish;