I need to possibly replace the rear door window regulator in my car.

 

I need to take the inner door skin off, I have drilled the rivets out, bar the ones holding the regulator. I just need to find out what size the rivets are.

 

if I bought Skoda ones, can I use a normal rivet gun, or can I just buy some closely sized rivets and use the gun that way?

 

Thanks

my SEAT ones (not used ) for the channels are 1/4"diamx 0.420"    "nail" = 144 thou    will probably need lazytongss or power rivet gun