TenPoint Crossbow Technologies CenterPunch HPX Premium Carbon Arrows .001in 20in Pack of 36 Black. It is rigorously inspected for straightness and each pack is weight-matched to ensure consistency. The arrow boasts a robust construction with a unidirectional carbon core and a woven outer layer. It's equipped with the advanced Alpha-Nock HPX designed for a secure connection to the crossbow enhancing accuracy and reducing string wear. Specifications for TenPoint Crossbow Technologies CenterPunch HPX Premium Carbon Arrows: Manufacturer: TenPoint Crossbow Technologies Color: Black Length: 20 in Nock Type: Alpha-Nock HPX Fabric/Material: Carbon Archery Application: Hunting Package Contents: TenPoint Crossbow Technologies CenterPunch HPX Premium Carbon Arrows TenPoint Crossbow Technologies HEA-770.36: CenterPunch HPX Premium Carbon Arrows .001in 20in Pack of 36 Black