Humes & Berg 151 Trombone Straight Mute
Perfect intonation for professional sound.
Willie Berg invented stonelined mutes in 1935. Stonelined mutes play perfectly in tune and are easy blowing. Stonelined Mutes deliver the perfect professional sound all the time. Included in the many features that allow the outstanding colors of sound is the secret formula used to line each and every stonelined mute.