Mxfans 3pcs Abalone Shell Finger Key Buttons Colorful for Trumpet Replacement

1.Each qualify checked item with a unique Manufacturing Part Number label on the inner package to confirm if it is the authentic item sold from our store. 2.When you have any problems about your item ,please send us the MPN label information first 3.It is made of copper and abalone shell inlays with chrome plated 4.Help to improve the accuracy of the keys and improve the fluency of playing 5.Fit for many models of trumpet finger button replacement and repairing Specifications: Material: Copper+Abalone Shell Color: Colorful Brand name: Mxfans Size: 1.6x1cm/0.62x0.4inch(DiaxT) Thread Diameter:4mm Weight: 18 g Package include: 3 x Trumpet Finger Buttons