Shoot faster than ever before! The High VelocityHYPR™ Lite bolts are engineered specifically to maximize the speed delivered by today’s high-powered crossbows. Advanced Carbon Construction creates spine consistency for greater accuracy, exceptional reliability and repeat performance. Precision sorted for straightness to +/- 0.003” for maximum consistency. 20” length fletched with 3” vanes, 370 grains, 0.348” Diameter, 6 per pack, inserted moon nocks.