I got em and shoot em. They've worked fine for me. I think they're something like +\- .006 or whatever, but it doesn't seem to affect arrow flight any. And they are a heavier arrow, that's why I like them for hunting. You may look into the Custom Redheads, they run about 60-65 I think. Their white rap makes it alot easier to see arrows at dawn and dusk. Good luck.

Peace Through Strength