Advanced multi-layer construction-precision-engineered with an optimized diameter to maximize performance in today's high-powered crossbows. This innovative design ensures superior downrange accuracy and deep, reliable penetration when paired with a broadhead, giving hunters and marksmen the ultimate edge in the field. 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