MICRO DIAMETER HUNTING ARROW The VAP TKO™ a micro diameter hunting arrow is the most accurate in the Victory arsenal in addition to the deepest penetrating from a bow. The ultimate long-range hunting arrow with a highest recorded kinetic energy at 100 yards! By reducing the torsional deflection associated with the twisting of the arrow shaft at launch, the arrow shaft stabilizes much faster while increasing the retained kinetic energy down range. .166" Inside Arrow Diameter Included Components: 50 Grain Aluminum Shok Taper Lock 2 Piece Insert