New-Stone-Lined Mute ST-159 for Tenor-Trombone, Wah-Wah-Du-All-Mute

New-Stone-Lined Mute ST-159 for Tenor-Trombone, Wah-Wah-Du-All-Mute, Aluminium, red & white lacquered, adjustable The New-Stone-Lined Mute ST-159 is the main Wa-Wah mute model for the tenor-trombone. This mute is made of specially formulated aluminum alloy and its precision made to exact specifications that allows this mute to play in all registers.