Hard rod rubber mouthpiece features a square cross section in the chamber instead of the conventional arch. Standard facings - C*, C**. Selmer S80 Tenor Saxophone Mouthpieces: Model C* - Tip: Medium Close / Facing: Medium. Model C** - Tip: Medium / Facing: Medium. Model E - Tip: Medium / Facing: Medium. Model G - Tip: Medium Open / Facing: Medium Short. Model H - Tip: Open / Facing; Medium Short. Model B* - Tip: Very Close / Facing: Medium. Model C - Tip: Close / Facing: Medium. Model D - Tip: Medium / Facing: Medium. Model F - Tip: Medium Open / Facing: Medium Short.