Features: This trumpet finger hook features a sturdy connection design with high strength metal materials, ensuring it resists deformation and breakage during use, effectively solving the fragility of traditional plastic accessories for reliability performances. Designed with a quickly install structure, it allows for effortlessly attachment to your instrument in seconds, making it convenient for frequent assembly and disassembly without any additional equipment. Ideal for trumpet players of all levels, including professionals and beginners, it provides a comfortable grip to reduce discomfort during extended playing. Suited for various scenarios such as concerts, rehearsals, and outdoor performances, its rust resistant treatments ensures durability even in humid environments. Offering universals compatibility with multiple trumpet models and brands, this brass instrument accessory delivers a smooth, polished surfaces for enhanced playing comfort and ease. Specifications: Type Option:01/02/03 Dimension:7.5cm/2.95in Component:metal Package Includes: 01:1pc Trumpet instrument rings 02:3pcs Trumpet instrument rings 03:6pcs Trumpet instrument rings note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.