Description:
High quality materials to ensure long-term use.
Trumpet repair maintenance parts.
Easy to install and convenient to use.
It can fit most brands of the trumpet.

Size:
S Trumpet Drain Valve Key:37 x10MM/1.45 x 0.39"(L x W )
L Trumpet Drain Valve Key:48 x10MM/1.88 x 0.39"(L x W)
Silicone Pads:3x8.9MM/0.11x0.35"(H x Dia)
Slide Finger Ring Length: Approx 7.5cm / 3 inch; Ring diameter: Approx 2.5cm /1inch.
Please allow a little size error due to manual measurement.

Package include:
1 xSlide Finger Ring with Holder Screw
2 x Water Key Drain Valve
2 x Steel Wire Spring
2 x Cork