The Mid Atlantic X System is a hybrid mechanical with an aggressive 7/8" Teflon coated cut-on-contact main blade .040" thick and Teflon coated 1 1/2" cutting diameter deployable blades. Patented airfoils on the main blades spin-stabilize the arrow for perfect flight. The X flies like a field point. The X System are 100 grain and comes in a six pack, 3-X's and 3 Turbine Tip field points.