Front Caliper Removal for 03 GTI VR6
 

I was just wondering what size socket/wrench am I going to need to remove the Guide Pins which hold the front calipers? I have changed the rear pads and didn't have a problem. However, I'm extremely limited in the amount of tools I can have at my current location (space issues) and was wondering if anyone on this site would know this.

I have referenced the original Owner's Manual which didn't help. In addition, I do have Bentley Publishers Service Manual and that only tells me the specs at which I should tighten them, not the size of the tool needed. Thanks in advance for any help sent my way. Peace.