Carbon Express 50680 Maxima Hunter Fletched BuffTuff Carbon Arrows with Fusion Vanes Arrows come Fletched with Fusion Vanes, LAUNCHPAD Precision Nocks and BullDog Nock Collars (vane and nock color may vary from image) Dual Spine Weight Forward - patented fusion of two different carbon materials that creates 2 spines in 1 arrow Laser checked for straightness to a remarkable 1/10,000 of an inch; Straightness of +/- 0.0025-inches is a maximum measurement, not an average Item specifications: 250-size, 8.0-GPI, 0.417-inch Spine and 0.295-inch Diameter 6-pack of "Mossy Oak Treestand" camouflaged pattern arrows are sorted and matched by weight and spine for best-in-class consistency