Features:
1.Good replacement for your trumpet, high-quality durable, not easily damaged, and long service life for old and damaged products.
2.High-quality materials, guaranteed long-term use, small repair essential parts. It is helpful to improve the accuracy of keys and the fluency of playing.
3.This kit includes small cork cushion, valve spring, felt washer and valve guide, etc. , easy to replace, very suitable for daily maintenance of wind instruments.
4.It is convenient and effective to use. This repair kit is suitable for three-tone Bb trumpet/cornet /Bb pocket trumpet, and is a well-maintained replacement accessory.
5.Exquisite workmanship, complete varieties, simplicity and convenience, replacement and improvement of musical instruments, wind instruments suitable for daily maintenance, easy and quick use without too many complicated operation steps.

Specifications:
Material:Metal & Rubber & Plastic
Color:Multicolor
Waist Spring: 40x10mm/1.57x0.39inch(LxD)
Cork Cushion: 9x3mm/0.35x0.12inch(DxThi)
Black Felt: 18x9mm/0.71x0.35inch(ODxID)
White Felt: 15x5mm/0.59x0.2inch(DxID)
Rubber Ring: 12x10mm/0.47x0.39inch(ODxIDD)
Spring Support: 18x11.2x4.4mm/0.71x0.44x0.17inch (LxWXID)
Weight: 6 g

Package include:
3 x Trumpet Valve Springs
6 x Trumpet Valve Withe Felt Washers
6 x Trumpet Valve Black Felt Washers
4 x Trumpet Spit Valve Cork Pad
3 x Trumpet Valve Guides
2 x Trumpet Rubber Bumper "O" Rings