Schilke makes a wide variety and large number of stock mouthpieces, all of which are included the chart below. They are readily available and are remarkably inexpensive given their consistency and quality.

Model	mm	inches	Throat	Description
6A4a HVY	15.99	.630	27	"Heavyweight" Profile. A shallow 'A" cup with cushion #4 rim for extreme high register work.
13 HVY	16.89	.665	26	"Heavyweight" Profile. Ideal choice for a student or developing player with standard #3 rim contour. Rounder rim provides increased flexibility and quick response. "C" cup offers volume for tone.
13A4a HVY	16.76	.660	27	"Heavyweight" Profile. The shallow "A" cup, semi-flat #4 rim and tight "a" backbore creates an ideal lead mouthpiece.
14 HVY	17.02	.670	26	"Heavyweight" Profile. With a standard rim, cup and backbore, the 14 is an excellent choice for all around playing.
14A4a HVY	17.09	.673	27	"Heavyweight" Profile. One of the most popular mouthpieces, the 14A4a offers a shallow "A" cup, semi-flat #4 rim and tight "a" backbore allows a player a strong upper register without sacrificing tonal production.
15 HVY	17.12	.674	26	"Heavyweight" Profile. An excellent all-around mouthpiece which offers a free blowing, clear sound.
15A4a HVY	17.14	.675	27	"Heavyweight" Profile. A larger diameter mouthpiece with a shallow "A" cup and tight "a" backbore for upper register playing. #4 semi-flat rim offers comfort in upper register.
16C4 HVY	17.20	.677	26	"Heavyweight" Profile. Similar to the 16 in dimensions, this mouthpiece offers our #4 semi-flat rim for a more traditional feel and increased endurance.
17 HVY	17.33	.682	26	"Heavyweight" Profile. A compromise of all the medium characteristics, this mouthpiece is an excellent medium to large diameter mouthpiece.
18 HVY	17.52	.690	26	"Heavyweight" Profile. The high point being nearer to the center makes this mouthpiece feel smaller than it is. The standard characteristics produce a rich, brilliant tone.
20 HVY	17.78	.700	26	"Heavyweight" Profile. This large diameter is for the robust embouchure. Original mouthpiece of choice for Renold O. Schilke.