Barnett Hyperflite Carbon 20 -Inch Crossbow Bolt 5 Pack - If you thought crossbows could only shoot standard diameters " think again. Introducing the HyperFlite arrow: Barnett's revolutionary small diameter arrow designed specifically for use with Hyper series crossbows. The power and speed of a crossbow combined with the precision and penetration of a .204" arrow deliver hits unlike anything you've ever seen. All that plus a .001" straightness make the HyperFlite just about as close to perfect as you can get. Designed for use with Barnett's Hyper series crossbows Increases penetration by up to 25% compared to regular crossbow arrows .001 straightness .204 Inner diameter R.O.C. 204 outsert