This Farkas Wrap horn is similar to the H177 but with a yellow brass bell instead of nickel. In addition, the Holton Farkas horns all feature an independent tuning slide for the Bb side of the instrument for convenience. Holton horns also feature taperedrotors which create longevity for the instrument. Features include: • Key of F/Bb • 0.468 inch bore • 12.25 inch medium throat hand hammered yellow brass bell • Tapered rotors & bearings • Solid nickel silver inner and outer slides • Water key on leadpipe. • Holton MC mouthpiece • Holton hard shell case