The Jazz Bb-Tenor Trombone from the house of Thomann is an ideal choice for providing backing to pop music. This trombone is light in weight and is therefore well-suited for beginners. The bell of this instrument measures 203mm in diameter, and its hole measures 12.77mm in diameter. The nickel-silver outer slide and the chrome-plated inner slide add to the visual appeal of this instrument. This material gives musicians a light feel while they are playing the trombone. The Jazz Tenor Trombone is tuned in Bb. This ergonomic trombone is sure to offer you a comfortable playing experience.