Being 25% Stiffer than the executioner, The Zombie Slayer Crossbow Arrows are designed to optimize LONG range accuracy. Built for accuracy and penetration, these carbon Zombie Slayer Crossbow Arrows are manufactured with the tightest ± 0.001" straightness tolerances to ensure you never miss that critical shot. This is what makes a bow or crossbow an ideal survival tool as you are able to reuse ammunition. What makes our Zombie Slayers a critical part of your arsenal is the unmatched durability. We test our shafts by shooting through 3/4" pressure treated plywood and several other materials. Proven to be one of if not THE most accuracy crossbow arrow in the world!!