This alto saxophone rubber stopper is an essential accessory for protecting your instrument. Designed to fit snugly into the neck of your alto saxophone, it prevents accidental damage to the keys and other delicate parts. Simply insert the rubber stopper into the neck when the saxophone is not in use, ensuring that your instrument remains in pristine condition. Features -Color:Black -Material:Rubber -Size: 4.50X4.50X4.50cm/1.77X1.77X1.77in -Hole diameter: 2.3cm -Protection: prevents key collisions and protects your instrument from damage, ensuring longevity and maintaining its pristine condition. -Compatibility: specifically designed for alto saxophones, making it a ideal fit for your instrument and providing optimal protection -Material: made from lightweight rubber, this saxophone end plug offers convenient protection without adding unnecessary weight to your instrument -Ease of use: simple and easy to install, this saxophone neck plug can be quickly attached and removed, making it highly convenient for musicians -Performance: enhances your playing experience by maintaining stable sound quality, ensuring that your saxophone performs well Package list: 1 x alto saxophone plug