Silverstein Cryo4 Gold Alto Medium, Ligature, For plastic or rubber alto saxophone mouthpieces, Size: #08: Alto Medium, Optics: Gold-plated with dotted cord, During the cryogenic treatment process, the ligature is cooled to about -185 degrees Celsius, thereby changing the molecular structure of the alloy, This ligature unites the free sound of cord binding with the easy handling of a leather ligature, Handmade in USA, Including cap, Including manual with warranty registration card@+*Suitable for the following rubber or plastic alto saxophone mouthpieces:*@+@+, Beechler: Diamond inlay, jazz, Brilhart: Ebolin, Drake: Contemporary, Johnston Selmer: New York model 37, Jody Jazz: HR, JET 10, MacSax: D-Jazz, MC Gregory: Mickey Gilette, Meliphone Special: Steel Ebonite, Meyer: Vintage Hard Rubber, Otto Link: Reso Chamber, Primo: Alto 7, Selmer: Alto C*, Ted Klum: VeriTone acoustimax, Also suitable for the following tenor saxophone mouthpieces: AW Reeds rubber tenor advance and Morgan rubber tenor 6C