Which lug nuts?

I am looking to purchase some 20X10 BMF REPRs for my 2008 F250, but I'm not sure which lugs to order. I have two options:

14MM X 2.00 HEX 3/4 60 DEGREE CONICAL BULGE
14MM X 1.50 HEX 3/4 60 DEGREE CONICAL BULGE

All help is greatly appreciated!