Killer Instinct HYPR-V 20in Crossbow Bolts - 6 Pack - The heavy weight of the HYPR-V Crossbow bolt delivers maximum penetration to crush big game with hard hitting kinetic energy and devastating knock-down power. Advanced Carbon Construction creates spine consistency for greater accuracy, exceptional reliability and repeat performance. Precision sorted for straightness to +/- 0.003in for maximum consistency. 20in length fletched with 3in vanes, 390gr (With 100gr point), 6 per pack. Free Arrow Cutting in Store FEATURES: Length: 20in Straightness Tolerance: .003in Inner Diameter: .300in Outer Diameter: .346in Grain Weight Tolerance: +/- 1.0 Width: 3.3in Height: 1.7in Depth: 22.2in Pre-Installed V-Nock