Features: CARBON CROSSBOW ARROWS - Constructed from modulus carbon fiber at 33 MSI and wrapped in an exclusive LAZER-TECH carbon weave the EVO-X Non-Lighted CenterPunch16 is fletched slightly offset with 2.1" Q2i Fusion-II Vanes. IMPROVED ACCURACY - CenterPunch arrows are inspected for straightness to within .001 each package is weight grain matched to within 1-grain/arrow & our brass insert adds more weight in the front generating a 17.5% FOC & further improving accuracy ALPHA-NOCK HP - TenPoint's Alpha-Nock features a deep groove & large smooth radius base to hold the bowstring in place & prevent "shoot-over" or "shoot-under". Its HP Aluminum Bushing provides increased strength & accuracy 28% INCREASED STRING-TO-NOCK ENGAGEMENT - The string on TenPoint's extremely narrow crossbows wraps tightly around the center of the Alpha-Nock resulting in straight nock travel & precision down-range accuracy while minimizing string serving wear BETTER PENETRATION - Weighing in at 400-grains and measuring 16-inches long these crossbow arrows provide the penetration and lethal accuracy needed for big game