I have a mk 2 Octavia Estate and need to change B pillar cover . What size or type of spanner do I need to undo lower seat belt buckle to change cover . 

All done and dusted now. 

@welder1

 

So... what size was it?

 

1 hour ago, mac11irl said:

@welder1

 

So... what size was it?

 

 

1 hour ago, mac11irl said:

@welder1

 

So... what size was it?

 

It’s 10mm multi spline