Carbon Express Mutiny Carbon Arrow Shaft, 12-Pack Bare shafts come with LAUNCHPAD Precision Nocks (nock color may vary from image) High-Polish Finish - Quiet draw on the arrow rest and easy removal from target Laser checked for straightness to a remarkable 1/10,000 of an inch; Straightness of +/- 0.006" is a maximum measurement, not an average Item specifications: 250-Size, 8.95-GPI, 0.402-inch Spine and 0.295-inch Diameter 12-pack of black finished shafts are sorted and matched by weight for best-in-class consistency