Thomann Classic TF547 S Bb-/F- tenor trombone with F- attachement, Ø 13,90mm (.547") large bore, Ø 215,90mm (8-1/2") yellow brass bell, nickelsilver outerslide, chrom plated inner slide, ergonomic thumb lever, silver plated, incl. mouthpiece, Reka Super Slide and lightweight case with backpack straps