- Michael Rath R3F Bb/F- Tenor Trombone, model Andy Hunter, Ø 0.525" bore, bell made of nickel silver, bell size Ø 8", nickelsilver slide, tuning slide made of nickel silver, Hagmann valve with heavy cap, changeable leadpipe: 31 brass, small shank, without mouthpiece and case EUR 5499.00 - See more - Buy online