C pillar screw size

[RedDragon686]

Hello
Stupid me didn't think I needed a magnetic screwdriver lol I was wrong may I ask what is the size of the screw that secures the C pillar I'm going to look for a replacement

 

[SitKneelBend]

Hello
Stupid me didn't think I needed a magnetic screwdriver lol I was wrong may I ask what is the size of the screw that secures the C pillar I'm going to look for a replacement

I believe it's 10mm or 13mm and you for sure will not have it (couldn't get my A pillar off recently)