This is a music score clamp made of iron material, durable to use, it is not easy to damage and deform. You can send it to your friends, music lover, musicians, and more. It can reduce the frequency of page turning during the marching performance. Features - Color: Silver. - Material: Iron. - Size: 23.20X5.20X2.30cm/9.12X2.04X0.90in. - Note: It is suitable for the 4x4mm on the tuba, please confirm the position of the before purchasing. - materials and superb craftsmanship are durable and can serve you for a time. - The sturdy iron material is durable, wear-resistant, non-slip, and can be used and stored for a time. - This and practical product is a great present for your kids or students who love music. - It plays an auxiliary role in music score reading when practicing or playing tuba, giving you a playing experience. - Provide good protection for your files or sheet music, you will don't need to worry that they will be lost, torn or ruined. Package list: 1 x Tuba Marching Music Sheet Folder