Easton ST Axis Full Metal Jacket Arrows 300/340/400/500 w/Blazer Vanes American Flag Wraps 1Dz. Easton ST Axis Full Metal Jacket Arrows 300/340/400/500 w/Blazer Vanes American Flag Wraps 1 Dz American Flag Wraps/Blazer Vanes 1.987" (American Flag) 300/12.0 GPI .300 spine 90lbs. 340/11.3 GPI .340 spine 70lbs. 400/10.2 GPI .400 spine 60lbs, 500/9.1 GPI .500 spine 50lbs. Please State Arrow Size Shaft You Want 300/340/400/500