The Yamaha YAC-1073P Alto Saxophone End Plug is designed to protect the neck receiver of your alto sax when it's not in use. This durable and reliable end plug ensures that the neck joint remains secure during transport or storage, preventing any potential damage. Whether you're a student or a professional player, the YAC-1073P provides an essential safeguard for your instrument, keeping it in top condition. Easy to install and remove, this end plug is a must-have accessory for maintaining the longevity of your saxophone