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.Made of high-quality metal, beautiful in shape and .
4.Easy to install and an excellent instrument trombone replacement.
5.Size: 42x15mm/1.65"x0.59" (LxW).
6.Suitable for alto trombone drain valve spring, whitch can work with water key spit valve cork pad .
7.Each pack includes 5x Water Key Spit Valve Springs.

Specifications:
Material: Metal
Color: Silver
Brand name: BQLZR
Size: 42x15mm/1.65"x0.59" (LxW)
Weight: 10g

Package include:
5x Water Key Spit Valve Springs