The Getzen 1050 Eterna Series Jazz Trombone features a .508-inch bore with a lightweight handslide for excellent response. The 8-inch, 22 gauge bell with a soldered rim creates outstanding resonance and projection. The Eterna model is a dependable performance instrument designed for solo and lead work. The Getzen 1050 Eterna Series Pro Jazz Trombone includes a hard shell wood case, mouthpiece, and limited 5-year warranty.