well to say if you are shooting 55lbscheck out the new broadhead called slick tricks.(slicktricks.net) yes they are new on the market but they are for real and fly excellent! i was very happy with these new heads i did not have to adjust my setup at all.there sales department is excellent--email them and ask gary any questions and he will be prompt to answer---they even sent me 2 packs of there broadheads and billed me later