Gold Tip Swift Bolts 22 in. 4 in. Vanes 6 pk.. Straightness tolerance of +-.005 and weight tolerance of +-2 grains. Available in 20 and 22 lengths. Shafts are 7.3 GPI. Includes brass inserts moon nocks and flat nocks. Factory fletched with 4 in. vanes. Finished weight of 398 gr. (20") or 413 gr. (22") with 100 gr. point. Specifications for Gold Tip Swift Bolts: Manufacturer: Gold Tip Color: Black Fabric/Material: Smart Carbon Technology Quantity: 6 Fletching: 4 Inch Duravanes Features of Gold Tip Swift Bolts GPI 7.3 Length: 20" Straightness Tolerance: +/- .5" Outer Diameter: .338" Inner Diameter: .3" Package Contents: Gold Tip Swift Bolts Half-Moon Nock Flat Nock 110 gr Brass insert Gold Tips most popular bolt choice offers unmatched straightness tolerances and superb accuracy. Straightness tolerance of +-.005 and weight tolerance of +-2 grains. Available in 20 and 22 lengths. Shafts are 7.3 GPI. Includes brass inserts moon nocks and flat nocks. Factory fletched with 4 in. vanes. Finished weight of 398 gr. (20) or 413 gr. (22) with 100 gr. point.