Yibuy Yibuy 80mm Bb Trumpet Valve Slide Finger Ring for Trumpet Replacement Silver

About this item If you want to use this to install a small speaker, you can slightly grind off both sides. Because it is made of solid chromium, grinding is very convenient. The length is 82mm/3.23 inches, and the outer diameter is 25mm/0.98 inches. The total length of the screw is 7mm/0.28 inches. Please check if it is the same size as the old screw before purchasing to ensure it can be installed. The metal valve slide ring is used to adjust the third valve tuning slide when needed, in order to play bass in the bottom aligner of the trumpet. See more product details About this item If you want to use this to install a small speaker, you can slightly grind off both sides. Because it is made of solid chromium, grinding is very convenient. The length is 82mm/3.23 inches, and the outer diameter is 25mm/0.98 inches. The total length of the screw is 7mm/0.28 inches. Please check if it is the same size as the old screw before purchasing to ensure it can be installed. The metal valve slide ring is used to adjust the third valve tuning slide when needed, in order to play bass in the bottom aligner of the trumpet. See more product details