ALLEN CROSSBOW BOLT 20in. PREMIUM 4PK 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 Razor Crossbow bolts by Allen those worries are left behind! At 9.95 grains per inch, a .001 inch straightness and fletched with 3 inch Bohning shield cut vanes this crossbow arrow is built for speed and downrange performance. Product Features: -100% High Strength Carbon Crossbow Arrow -Fletched with Three 3-inch Bohning Shield Cut Vanes -White Cresting -Brass Insert for Maximum Forward-of-Center Weight -Length: 20-inch -Straightness: .001 inch -GPI: 9.95 -Accepts 11/32" diameter field points that are threaded to industry standard 8-32 thread pitch