ML bore 459′ = 11.66mm;Yellow brass bell, Ø 4 3/4″ = 119mm;Gold brass leadpipe;Nickel silver outer slides;Stainless steel pistons;Thumb hook on 1st valve slide;Adjustable finger ring on 3rd valve slide;2 water keys;Original VINCENT BACH 7C mouthpiece and valve oil;Light weight case with rucksack assembly;Silver plated finish;