For an answer to your question.

I just started using the WacEm broadheadsthis year. Thouroughly impressed. Fly exactly like field points. Phenominal penetration.
Poked a hole in a nice 5X6 whitetail this Sept and he didn't even flinch when the arrow passed through.
Using Blazer 2" vanes with these broadheads. Great performance and durability. Tough set up.

Highly recommended.