Check the listing for details. Wicked Ridge Match 400 Alpha-Nock Carbon Arrow. Color: Black, Condition: New. Listed at 49.99 USD. Wicked Ridge Match 400 Alpha-Nock Carbon Arrow 20-INCH / 400-GRAINS (+/- 5-GRAINS) / BALANCED AT 13% FOC / .004″ STRAIGHTNESS3-PackThe Match 400 20-inch carbon arrow is fletched slightly offset and is fitted with a 58-grain aluminum insert, Q2i Fusion X-II 3.0 Vanes, and TenPoint’s Alpha Nock HP Nock and Alpha Nock HP Nock Bushing.Match 400 shafts are inspected for straightness to within .004″.TenPoint’s Alpha-Nock features a deep bowstring groove, a large smooth radius base, and elongated ears. The string on TenPoint’s crossbows wraps tightly around the center of the Alpha-Nock to yield straight nock travel and precision down-range accuracy, while minimizing string serving wear. The Alpha-Nock’s deep groove “holds” the bowstring in place on extremely narrow crossbows to prevent “shoot-over” or “shoot-under”.*Note: Vane colors may vary