Barnett Lighted Headhunter 20in Carbon Crossbow Bolts - 3 Pack - Barnett's popular HeadHunter arrows just got an upgrade with innovative strobing lighted nocks. These rugged polycarbonate half-moon nocks feature multicolored strobing lights, tested to outperform static lights when identifying shot location and retrieving arrows in lowlight conditions. The arrows use a pressure-sensitive design to begin strobing on impact, and they'll continue strobing for up to three days. When not in use, easily disable the strobe lights with an on/off toggle switch at each arrow's nock base. No assembly required. Begin using the HeadHunter 20in Lighted Arrows straight out of the box. Includes three arrows per pack. For use with any crossbows compatible with standard-diameter crossbow bolts supporting half-moon nocks 13.78 grains per inch Fully assembled with multicolor strobing lighted nocks Tested for durability Continues strobing for up to 3 days Easy on/off toggle switch in nock base 20-inch arrows Three arrows per pack