Used Bach Stradivarius Model 37 Professional Bb Cornet Vintage 1970-1973 •Bore Size: .459" medium-large (ML) bore. •Bell: Standard weight, 4.8" diameter, one-piece hand-hammered #37 yellow brass bell. •Leadpipe: Standard construction #25 mouthpipe •Pistons: Monel pistons •Features: Adjustable 3rd slide stop rod •Finish: Clear lacquer •Case: Original woodshell case. •Mouthpiece: Bach 3C Cornet •Manufactured in: USA