Features: Made of high quality metal, sturdy and durable, ensure a long time use. Adopt fine workmanship and delicate design, comfortable feeling and great for playing. Supplied with two pieces of mouthpiece pads to match your need better. Comes out with a pretty good sound, good for playing classical music. Installation and removal are simple, suitable for saxophone lovers. 7C means the distance between the mouthpiece mouth and reed is 0.07 inches after the installation. The mouth opening is larger, the space for controlling the timbre is larger, and the playing is more flexible, which is suitable for playing jazz and pop music. It is suggested to use thinner reed. Specifications: Condition: 100% Brand New Material: Brass Weight: Approx. 97g / 3.4oz Mouthpiece Size: Approx. 7cm / 2.8in(Length), 1.5cm / 0.6in(Mounting Opening Diameter) Color: Gold Package list: 1 * Saxophone Mouthpiece Set(1 * Mouthpiece, 1 * Reed Fixation Regulator, 1 * Cap ) 2 * Pads(Shape Random Send) 1、Made of high quality metal, sturdy and durable, ensure a long time use. 2、Adopt fine workmanship and delicate design, comfortable feeling and great for playing. 3、Supplied with two pieces of mouthpiece pads to match your need better. 4、Comes out with a pretty good sound, good for playing classical music. 5、Installation and removal are simple, suitable for saxophone lovers.