Tri-KEY PRO® Bb/G/F "Lacquer" Key: Bb/G/F Bore size: ML (0.460" ; 11.70 mm) Main tuning slide style: H (Standardd) Bell material: Y (Yellow brass), soldered wired rim Bell size: S (# 37) Bell thickness: T (0.016" ; 0.40 mm) Bell diameter: 5.000" (127.00 mm) Finish: L (Lacquer) Leadpipe material: Yellow brass Tuning slide material: Inner / Outer Yellow brass 3rd tuning slide stop screw Bb tuning adapter (default) Accessories: G tuning adapter F tuning adapter Black gig bag CarolBrass® 3C mouthpiece Polishing cloth Valve guard La Tromba T2 valve oil Hetman No. 8 tuning slide lube User booklet