(Image shows SS-4C mouthpiece)
The Standard Series are made out  of high-quality phenol resin (plastic) and feature a design based upon  the top grade Custom Series. They are extremely consistent in  specifications and playing quality, and offer excellent value for their  price. The facing of this series is slightly shorter than that of the  Custom Series making them easier to play, and easier for beginning  students to achieve a rich characteristic saxophone sound. They also are  available in a variety of sizes, to suit the needs players of many  different styles.