Carbon Express 50676 Maxima Hunter BuffTuff Carbon Arrow Shaft Size 350 12-Pack Mossy Oak Treestandbr Bare shafts come with LAUNCHPAD Precision Nocks and BullDog Nock Collars br Dual Spine Weight Forward - patented fusion of two different carbon materials that creates 2 spines in 1 arrow br Laser checked for straightness to a remarkable 110000 of an inch Straightness of - 00025-inches is a maximum measurement not an average br Item specifications 350-size 89-GPI 0337-inch Spine and 0297-inch Diameter br 12-pack of Mossy Oak Treestand camouflaged pattern shafts are sorted and matched by weight and spine for best-in-class consistency