Used B.A.C. SL-550 Intermediate Tenor Trombone •.547” Bore •8.5” Yellow Brass Bell •One-Piece Hand-Hammered Bell •Chrome-Plated Nickel-Silver Inner Handslide Tubes •Nickel Silver Outer Handslide Tubes •Traditional Wrap “F” Section •Traditional Rotor •Polished Lightweight Lacquer •B.A.C. Pro-Line Series Deluxe Case