"Kühnl & Hoyer Slokar F Performance Hagm, Bb / F Tenor Trombone, ""Slokar"" F Performance, With Hagmann f attachment, Open design, Gold brass bell Ø 220 mm, Nickel silver slide (245 g) clear lacquered, Bore: 13.9 mm, Incl. 6.4 M mouthpiece"