Barnett Hyperflite Crossbow Bolts Heat Vanes 20 in 3 Pk Black. The power and speed of a crossbow combined with the precision and penetration of a .204 arrow delivers hits unlike anything youve ever seen. All that plus a .001 straightness make the HyperFlite just about as close to perfect as you can get. Specifications for Barnett Hyperflite Crossbow Bolts: Manufacturer: Barnett Color: Black Features of Barnett Hyperflite Crossbow Bolts Designed for use with Barnetts Hyper series crossbows Increases penetration by up to 25percent compared to regular crossbow arrows Package Contents: Barnett Hyperflite Crossbow Bolts Barnett BAR20040: Hyperflite Crossbow Bolts Heat Vanes 20 in 3 Pk Black