Trombone Watergate Key Bond Replacement for Trombone Use 4Pcs

Our key has all the advantages of trombone key parts, durable and easy to use. It fits most models of trombone, don't have to worry about it. It is a professional tool for music lovers. Features -Color: As shown -Material: Copper nickel, plated cork -Size: 5.90X2.80X1.00cm/2.32X1.10X0.39in -It is made of nickel-plated copper and cork material to ensure its durability and popularity. -Rugged and durable, it can be used for a long time without damage. It is a good helper for musical instruments. -The user-friendly and design is enough for you to use it for a long time. -The design is simple, easy to use, easy to clean and install, and can be cleaned regularly. -It is made of carefully selected , not easy to deform, and will accompany you for a long time. Package list: 4 x Drain valve