Description: Great for practicing playing tenor trombone when you don t want to disturb your family or friends The professional mute narrows the of the tenor trombon Lightweight very easy to use Diameter of Open End: Approx. 2.5cm / 0.98inch Height: Approx. 25cm / 9.84inch Width: Approx. 12cm / 4.72inch Material: Aluminium Alloy Main Color: Silver Package Includes: 1 x Tenor Trombone Mute Note: Please be reminded that due to lighting effects and monitor s brightness/contrast settings etc. the color of the website s photo and the actual item could be slightly different. Also please allow a slight difference in size which may caused by manual measurement.