Features 1、Specially designed instrument accessory for alto saxophone metal mouthpiece. 2、Nice accessory for saxophone, can help to produce a full, centered tone and sound. 3、Single screw design, easy to adjust the diameter, convenient for installation and removing. Specification Features： Specially designed instrument accessory for alto saxophone metal mouthpiece. Nice accessory for saxophone, can help to produce a full, centered tone and sound. Single screw design, easy to adjust the diameter, convenient for installation and removing. Made from premium material, sturdy and durable enough for a long-time use. Exquisite workmanship, high quality, a nice gift for saxophone lovers. Specifications： Color: Black Material: Leather Product Size: 3.7 * 3.5 * 1.8cm/ 1.4 * 1.3 * 0.7inch Product Weight: 19g/ 0.6oz Package Size: 4 * 4 * 3cm/ 1.5 * 1.5 * 1.1inch Package Weight: 24g/ 0.8oz Package List： 1 * Sax Ligature Package List 1 * Sax Ligature