Screws

Good morning,

it turns out that my cavalier had a rare fault, the staircase or the ignition center was broken that is basically a bridge spice between the key of the key and the starting pill. I took him to the electric and, the amount he wanted to charge me was too high. The question is, my cavalier (1994), the electric "lost", the screws (Torx) that hold the ignition pill of my car, now I must look for them, do anyone know the measurements of these screws?
Greetings.