This is a PLAYTECH tenor trombone, model PTSL-300OP, which focuses on price and quality. It features a mechanical Bb/F rotary valve. The open wrap design, with fewer bends in the tubing, reduces resistance when using the F attachment, providing a more open and free-blowing feel. 【Product Condition】 This item is in excellent condition, having only been used for operational checks. Sound has been confirmed, and it plays well. The slide and tuning slides move smoothly. This is a recommended trombone for beginners. Accessories include a dedicated case, mouthpiece, and several optional oils, making it a great value. You rarely find such a high-quality instrument, so please consider this opportunity! Open wrap model with the F attachment designed with fewer bends in the tubing. Compared to traditional models, it has less resistance, making it easier for air to flow through the instrument, resulting in a more open and comfortable playing experience. Bright sound from the yellow brass bell Made with yellow brass, the most standard material for brass instruments. It features a bright and vibrant sound. It also has a clear lacquer finish for excellent sound projection.