What Size Bolts On T-5?

[93gtmustang]

I noticed I'm missing 2- bolts at say 8:00 and 4:00 that hold the (dust shield ?) to the bell housing. The thin plate between the bell housing and motor. Looking towards the front of the car under it.
What size are these?
Thanks

 

[93gtmustang]

5/16" 20 x1" works.