Normal 140 Nxe, it was what the stand had at the time i've never had a problum with them people go on about lock lids but I guess to depends on how you play.
I use the 5 I have at the time. I go on the field with 5 and come off with 5, doesn't matter who's they are or where they came from, unless they're locklids, locklids suck.