Easton XX75 Gamegetter 400 spine Aluminum Shafts - 12 Pack - Aluminum shafts that come with super uni-bushings with Super nocks and RPS inserts. A true bow hunting legend. More game has fallen to Easton XX75s than any other hunting arrow ever made. Get the nostalgia of this bow hunting favorite. Pre-installed Super Nocks (installed) RPS inserts included 7075-T9 aluminum alloy Straightness: .003in