DescriptionThis is a set of high-quality trombone drain valves with cork plugs, made of high-quality materials, high-quality, and durable. The trombone watergate key is easy to install, it will not hurt your trombone, and it will not be easily damaged.Features-Material:Copper nickel, plated cork-Size: About5.70X2.50X1.00cm/2.24X0.98X0.39in-This trombone accessory is made of high-quality materials, strong and durable, and not easily damaged.-Good quality and durable, trombone/French horn/large hobbyist accessories tools.-Simple operation, easy to install and replace, it is a perfect substitute for old or broken products.-The water key is used for wind instruments. It is small in size, light in weight, easy to carry, and does not take up too much space for storage.-The versatility and exquisite design make it suitable for most trombones on the market.Packing list: 1 x Drain valve