I have bought several different companies broadheads over the past several years. I have yet to find one that is sharp. This includes the ones with the "razor blade" inserts. The ones that are suppose to be "sharpen-able" are made of steel so hard I have not been able to sharpen them, even with diamond dust stones. I have also tried other types of sharpening methods, none of which work. I have no trouble sharpening pocket knives and scabbard knives. My first concern is why are the broadheads not sharp from the factory? I have watched videos showing how to sharpen the broadheads. They don't get sharp. Can some one shed some light on this subject for me?