These broadheads deliver bone-splitting strength and precision accuracy. The newly redesigned, Tekan represents a new breed of mechanical broadheads. It features a truly innovative rearward blade deployment system that requires less than 3 lbs. of energy to open. In addition, it's constructed using rock-solid one-piece stainless steel ferrule and tipped with a 1/2" cut-on-contact point. 1-1/2" cutting diameter.