(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.