Just ordered some 130 grainers, and am going to give them a try, a friend of mine has used them for years and will not use nothing else. He has taken--deer, elk, bison with theseheads. For sharpening the broadhead, he uses a small flat file,If you can put an edge on a knife you should be able to put an edge on a broadhead, keep at it till you can shave hairoff your arm...RobinHood36>>>=============<>