Allen Razor XD300 Carbon 20in Crossbow Bolts - 3 Pack - When the moment of truth comes walking in range, the last thing you want to worry about is if my arrow is going to perform the way it should. With the XD300 those worries are left behind! At 12.35 grains per inch, a .003in straightness and fletched with 3in Bohning shield cut vanes this crossbow arrow is built for penetration and downrange performance. High Strength Carbon Crossbow Arrow Fletched with Three 3in Bohning Shield Cut Vanes Weight Matched Length: 20in Straightness: .003in GPI: 12.35 Accepts 11/32in diameter field points that are threaded to industry standard 8-32 thread pitch