"The Grim Reaper Razortip Whitetail Special Mechanical Broadhead is specially designed for higher kinetic energy bows and whitetail-sized game, with a 2"" cutting diameter and three .035""-thick mechanical blades that sit flush with the point during flight and expand upon impact. Includes practice head. 100 grain; 3 pack. Manufacturer model #: 1924. Specially designed for higher kinetic energy bows and whitetail-sized game 2"" cutting diameter Three .035""-thick mechanical blades Blades sit flush with the point during flight and expand upon impact Includes practice head"