Theo Wanne Shiva IV, tip opening 7* (0.105"), Metal Tenor Sax mouthpiece, innovative "Shark Gill" Chamber Design, these features give the mouthpiece a rich, full sound with plenty of edge and projection, making it ideally suited for Rock n Roll, R&B or any situation where the player may require some extra carrying power, combination Roll-Over/Step Baffle, Reticulated 24K Gold, includes both Alive Gold and Heavy Copper pressure plates and precision screwdriver, Patented Reed Replacer Cap, User replaceable bite pads with varying hardness, Leather Mouthpiece Pouch, gold finish, similarly-styled like in der Art wie Guardala "Brecker I & II", Lawton, Jody Jazz "Jet", Barone, Sugal, Yanagisawa Metal, Berg Larsen "Chamber 1"