the ones I have now are two blade model. Pretty easy to put toghether, and the blades seem pretty sharp. The new style are supposed to be one peice, but I haven't seen them yet. I realy have heard nothing but good things about vortex heads, but I need to get a new cable for my test bow before I find out for sure.

TAKE YOUR KIDS HUNTING AND YOU WON'T BE HUNTING FOR YOUR KIDS