Featuring TrueX Nock Technology, the Bear X TrueX Crossbow Arrows are designed for crossbow hunters who demand the highest quality, speed, and accuracy from their equipment. Each 6-pack of TrueX Crossbow Arrows come fully equipped with 100 grain field points, inserts, and TrueX nocks for consistent and accurate arrow flight shot after shot. Every TrueX Crossbow Arrow is inspected and sorted for straightness within plus or minus . 005 inch, fletched with 4 inch vanes, 20 inches long, and 370 grains for bone crushing penetration with each shot.