Ravel trombones are a perfect fit for school band programs and individuals alike. Made from brass that is durable and produces great tone, these instruments blend in well, especially in a concert band setting. They are great instruments because of the many advanced features and the affordable price. The precision used on the slides gives Ravel trombones the feel of high-end horns, yet at a student level price.All Ravel brass instruments are carefully crafted at the factory and inspected by technicians at their United States instrument center. Ravel emphasizes quality while keeping prices affordable for everyone. RTB102 specifications: Key of Bb 8.5" yellow brass bell, yellow brass hand slide, nickel silver inner, brass tuning pipe with nickel silver outer, slide lock, counter balance, slide bumper. Standard large shank trombone mouthpiece. Includes polishing cloth, pair of white marching gloves and Ravel Lightweight case with straps , Ravel offers a one-year customer assurance warranty and product guarantee on each Ravel instrument. Further information is available at www.ravelband.com. Quality and Sound Value ... Ravel.