...cheers Jim looks like 50 quid has just gone down the drain They are in the bin tommorrow...wont risk it...TBH when you get them they are 0.8mm set and you are not meant to change that...i was told to put to 0.6mm as you would on a YB...and i must admit i over done it slightly and was shocked at how easy the top moved back up I did think are these goin to fall off.