TenPoint Crossbow Technologies Lighted CenterPunch Alpha-Blaze HPX Premium Carbon Arrows .001in 20in Pack of 36 Black. Outfitted with the innovative Alpha-Blaze Lighted HPX Nock this arrow offers superlative flight visibility and easy LED activation ensuring your target is never lost. Weighing in at 445 grains with a 15.5percent forward-of-center balance it delivers unparalleled stability and accuracy. Each arrow is stringently straightness-checked to .001 inches and weight-grain matched while the robust construction features a stiff unidirectional carbon core and durable woven carbon outer layer. Designed for compatibility with all TenPoint and Wicked Ridge crossbows this arrow is the archer's choice for reliability and performance. Specifications for TenPoint Crossbow Technologies Lighted CenterPunch Alpha-Blaze HPX Premium Carbon Arrows: Manufacturer: TenPoint Crossbow Technologies Archery Application: Hunting Color: Black Fabric/Material: Carbon Length: 20 in Nock Type: Alpha-Nock HPX Straightness: 0.001 in Size: 20 in Package Contents: TenPoint Crossbow Technologies Lighted CenterPunch Alpha-Blaze HPX Premium Carbon Arrows TenPoint Crossbow Technologies HEA-779.36: Lighted CenterPunch Alpha-Blaze HPX Premium Carbon Arrows .001in 20in Pack of 36 Black