Description: - Exquisite craftsmanhsip, convenient to use. - 3 Pieces Cap Screw Cover for trumpet. - Made of copper Gently lubricate the thread. - Fit for trumpet replacement and repairing. - Mount the cap accurately, do not apply extra effort. Sometimes the thread is tight so, proceed slowly. Specifications: Material:Copper Color:Golden Size:1.6x1cm/0.63x0.39inch(Dia x H) Weight:30g Package include: 3 x Trumpet Bottom Cap