These trumpet replacement rings are made of rubber, designed to ensure tuning slide movement for trumpet and cornet players. Their compact size and construction make them ideal for carrying along to rehearsals or gigs, providing a solution to maintain or restore instrument performance. Features -Color:Black -Material:Rubber -Size:1.20X1.20X0.10cm/0.47X0.47X0.04in -Material: Crafted from rubber, these trumpet rings withstand frequent use and resist damage, offering durability and performance for your brass instrument needs -Versatile: Designed to fit trumpet and cornet tuning slides, these rings provide operation and a fit, enhancing instrument function without interfering with sound quality -Compact and lightweight: Small in size and easy to carry, these rubber rings are convenient for musicians who need quick replacements or maintenance tools during rehearsals or performances -Supply: This set includes a plentiful number of rings, ensuring you have enough replacements available for everyday use, or emergency repairs to keep your instrument playing smoothly -Craftsmanship: Manufactured with attention to detail, maintaining high standards of quality and improving your trumpet’s overall list: 40 x Trumpet Rings