This trumpet repair kit is made of firm material, which can withstand use. Features the metal and felt material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. This trumpet repair kit will make the repair and fix easier and smoother. Features -Color:Assorted Color -Material:Metal, felt -Size:4.20X0.90X0.90cm/1.65X0.35X0.35in - workmanship, complete varieties, simple and convenient, suitable for routine maintenance of wind instruments. - Metal and felt materials ensure long-term use, essential parts for small repairs. - It helps to improve the accuracy of keys and improve the fluency of playing. - Small trumpet finger button replacement and repair for many models. - Easy to Use: Simple and convenient tools make trumpet maintenance accessible to all musicians. Package list: 6 x felt washers 3 x springs 2 x cork pads 3 x horn valves