Features:
1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;
2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.
3.Drain valve for trumpet instruments.
4.Can also be used on French horn, trombone, euphonium, etc.
5.It is mainly used in the main voicing tube of the trumpet and the No. 3 phonic tube.
6.This product is processed by copper-nickel with fine workmanship, all of which are processed by CNC and has good sealing performance.

Note: Please check the dimensions carefully to ensure a perfect replacement of the trumpet drain valve assembly.

Specifications:
Material: Copper-nickel
Color: Silver
Brand name: Unbrand
Size: 18 x 9.5 mm / 0.7" x 0.37" (L x Dia)
Bottom diameter: 5 mm / 0.2"
Weight: 80 g

Package include:
10 x Trumpet Drain Valve Assembly