Easton XX75 aluminum shaft with a traditional wood grain finish and full diameter taper nock swage. Straightness tolerance of +-.002?. Available in sizes 1916 (.623? spine, 10.0 GPI), 2016 (.531? spine, 10.6 GPI), 2018 (.464? spine, 12.3 GPI), 2117 (.407? spine, 12.0 GPI), 2216 (.376? spine, 12.0 GPI), and 2219 (.337? spine, 13.8 GPI). Includes inserts.