Stradivarius – C190 Series – .462″ L reverse Vindabona bore with a .462″/.462″/.459″ main tuning slide, wide construction, two-piece brass valve casing, standard-weight body with nickel outer slides, one-piece hand-hammered “Corporation” weight #229 bell with side seam and round stainless steel wire, NEW #25H leadpipe with a .348″ venturi. Made in the USA