Well, the 26bit driver kit works, but not well on the bottom case screws of a MBP. The slope of all the phillips bits is steep, while the screws on the bottom of a MBP have a shallow angle.
Once I got them open, easy as pie.
Use one of the flathead bits for the bottom screws of a MBP.
P5 Pentalobe Screwdriver Retina MacBook Pro and Air
Mako Driver Kit - 64 Precision Bits