The XO 1236L-T series trombone offers professional performance and superior sound. It features a .547" large bore design with a .563" open-wrap F section and reverse rose brass main tuning slide, along with Thru-Flo valve for free blowing and smooth performance. This professional trombone also features three interchangeable leadpipes, two yellow brass and one sterling silver, with nickel-silver receiver to allow the player to customize their instrument for optimum performance. The handslide offers yellow brass outer tubes with chromed inner slides and nickel silver crook. The 1236L-T series trombone is available in two models—yellow brass bell or rose brass bell.