According to Vandoren ... see the site ... 

http://www.vandoren.fr/en/index.html#

The specs for M13 Lyre are "102-" (0.0400 inch) tip and "meduim long"
facing. This is a just slightly more open than the M13, which is 100.5
(0.0396 inch) tip. M13 has a "long" facing, according to the specs.

Other info there gives (for clarinet)

M13         100.5  Long
M13 Lyre    102-   Medium Long
M15         103.5  Long
5RV         106.5  Medium Short
5RV Lyre    109+   Medium
M30         115    Long
B46         117+   Medium
B40 Lyre    117.5  Long
B45         119.5  Medium Long
B45 dot     same specs as B45 above
B40         119.5  Medium Long
B45 Lyre    127    Medium Long

In addition there are tons of other data there are other clarinet (Eb,
bass, etc) and sax mpc.

- Brent -