The FJ4 takes our original single bevel design but adds 2 additional bleeder blades giving you more cut and better blood trails! Incredible accuracy while in flight, unmatched penetration, and devastating helical wound channels from razor-sharp edging. “Measure your recovery in seconds” with Helix Broadheads. 3 Pack Easily resharpened with our lineup of Helix Sharpeners. SPECIFICATIONS Ferules: 100-150 grain Aluminum / 175-225 grain Stainless Steel Bevel: Right Bevel Cutting Surface: 100 & 175 grain = 2 1/16? 125 & 200 grain = 2 1/8? 150 & 225 grain = 2 1/4?