ORIGINAL: 98Redline
You had better be pushing a hellacious amount of KE if you are going to use those heads. IMHO, with that much cutting surface if you are under 80-85ft-lbs of KE then you probably don't want to mess with them.
i was thinking the same thing when i saw them a while back i mean 3 fixed blades and 3 over the top expandables if my math is right that is 6 blades so if u figure out how thick the blades are uhhh......... dont mess with them on a deer first shoot a foam block and compare them to anothe broad heads penetration