Innovative multi-layer construction-engineered for maximum performance in today's high-powered crossbows. Designed with an optimized diameter, this advanced build ensures exceptional downrange accuracy and deep penetration, making it the perfect choice for precision shooting with broadheads. Combines speed, accuracy and penetration for ultimate versatility in the field Laser match sets are spine- and weight-matched with a tolerance of +/-0.0025 inches spine and +/-1.0 grain weight for top-tier consistency With a precision of +/- 0.003 real straightness, laser-verified to 1/10000 of an inches our max-based standards far exceed the industry average Universal Nock System includes moon and C-Nocks compatible with various crossbows 3 inches dragon Vanes provide exceptional arrow control and in-flight stability