Mathews,

Thanks. I do plan on using them again this season but I haven't decided if I want to try a different head like the Snyper, Steelhead, etc... so that I can relate more pics and experiences.

HuntingBry,

I apologize for not leaving more of the pic up there but I was trying to focus on the actual wounds. Truthfully, I had a little bit of a difficult time figuring out which angle I took it from at first. If you can't tell right away the deer's head is unseen at the bottom of the picture.

The reason that the entrance wound looks bigger is because I am holding each one of the legs apart so you can see the hole. If I didn't then it would be hidden inside the shoulder of the deer. The exit wound picture doesn't do it justice. Every bit of that vertical line in the picture is the result of the naildriver. Though not as impressive as the Hammerhead I still felt it was an adequate wound. You have to remember that we are talking about heads on the opposite side of the spectrum here.
I feel that I would have gotten the same penetration with the Naildriver though I am not as sure about the Hammerhead. I would like to believe I would have.

Jerseyjoe,

The 3 blade model has a 2 inch cutting diameter, so I would assume that the 4 blade model has at least that much.

Thanks folks for the interest.