【Brass Instruments Accessories】These trumpets valve guides replacement are  suitable for the daily repair of wind instrument, can be installed quickly. 【Features】valve guide brass instrument replacement part improve the accuracy of the keys and enhances the smoothness of playing. 【Easy to Install】Small and lightweight, easy to install, making it a great instrument accessory for professionals. 【Replacement】This is an valve positioning guide gasket can be used to replace old,  damaged or missing part, allowing you to perform better when using your instrument. 【Material 】The valve guide pad  is made of PP,which is sturdy for long term use. Specification: Material: PP Size Chart:1.5cmx1.8cm/0.59inchx0.71inch Package Includes: 1 Valve Guide Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 377 hours Hope you have a pleasant shopping experience!