Designed and built to withstand the high-energy demands of crossbows. Each arrow has a 400 grain weight with 100 grain field points (not included) pre-installed lighted nocks and is made of durable carbon material. The CenterPoint Carbon Arrows are designed for crossbows that utilize 20 arrows with a non-proprietary half moon nock. - 400 grain weight -With 100 grain field points (field points not included) - Light up your target -Track your flight path and retrieve your arrows using pre-installed lighted nocks - Take your best shot -Achieve consistent accuracy with a straightness tolerance of just +/- .003 - High-performance carbon shaft -Fire straight and true with half moon nocks and 2 Blazer Vanes - Compatible with Deadpoint broadheads - Compatible with the CP400 crossbow and other crossbows that utilizes 20 arrows with a non-proprietary half moon nock