I wrote ealier in the week about shooting them bloodtrailers, and now i switched to the rocket arrowheads and i tell u what, i shot a doe this evening in the same place as the other one with the bloodtrailer and this time it shot straight thru both lungs and the arrow stuck in the ground bout 3 inches and the deer went about 20 yards and crashed, thats what i like to see, those r the best broadheads i have ever used, they also fly very well. i hate blood trailers, i'll never screw another one on my arrows, EVER!