Match 400 20-inch carbon arrow. Fletched slightly offset and is fitted with 3 Q2i Fusion X-II Vanes and the Alpha-Nock HP & HP Bushing. Match 400 shafts are inspected for straightness to within .004 and hand-sorted for weight tolerance to within 2-grains per dozen. 20-INCH / 410-GRAINS (+/- 5-GRAINS) / BALANCED AT 13% FOC / .004 STRAIGHTNESS Product Specifications Nock: Alpha-Nock HP Length: 20" Weight: 410-grains (+/- 5-grains) Straightness: .004" Vane: 3" Q2i Fusion X-II F.O.C: 13% Insert Weight: 58-grain Aluminum Insert Inside Diameter: .300 Outside Diameter: .346 Crossbow Compatibility: All Wicked Ridge Crossbows