Torsion Bar Extraction Tool - Bolt Size?

[u33db]

Away to lower my clio (again) this weekend and i'll need to build up a torsion bar extractor using a nut/bolt/socket.

Can anyone remember what size of bolt i need to screw into the torsion bar) as i've forgotten from last time?

ta.

 

[midge]

m10 thread, im doing mine today after doing the front yesterday.

 

[u33db]

Excellent - a trip to b&q later i think....

Cheers!