Product name: marching music clip Material: Copper plating Color: Silver Size: Straight rod length 190mm/7.48"" Socket diameter 4x4mm/0.16x0.16"" Features: 1. Made of high quality copper electroplating, durable, can be used for a long time, better serve your instrument. 2. Its perfect for beginners and marching bands, and can also be given as a gift to friends, or placed on desks in the office and at home. 3. Standard trumpet march clip helps to hold the instrument and sheet music together while playing. 4. Elegant silver appearance, exquisite craftsmanship, smooth surface, make your beloved instrument look more beautiful. 5. Exquisite workmanship, small and light, easy to carry, convenient and practical.