Tenor Trombone Brass Construction with Polished Finish.500-inch Bore, 8-inch Bell Bb Key for Superb Sound Available with a Gold Lacquer or Nickel Plated Finish Hand Slide is Constructed of Cupronickel Tuning Slide Matches the Finish of the Instrument Strong, Sturdy Trombone Case is Included for Easy Carrying and Storage To Ensure Proper Trombone is Properly Maintained a Cleaning Cloth, Piston Oil, Slide Grease are Included White Musicians Gloves are also Provided Do not stand the Trombone on its bell. Always store your Trombone in its case to protect the instrument. Do not store the instrument in extreme conditions of temperature and humidity.