Carbon Express Maxima BLU RZ Fletched Carbon Arrows with RED Zone Technology and Blazer Vanes, 6-Pack BEST OF BOTH WORLDS - The Maxima BLU RZ arrow combines the same world class, lightweight speed and accuracy of the Maxima BLU Streak Select with the breakthrough broadhead accuracy of the Maxima RED . HIGH TECH - The BLU RZ is made with Carbon Express' proprietary Diamond Weave carbon material, and features a high-tech carbon shaft designed with stiffer ends that isolate the arrow's flex in the middle of the shaft: the RED ZONE . LIGHTWEIGHT PERFORMANCE  Great choice for bowhunters who want maximum kinetic energy and accuracy and who shoot a lighter draw weight. ITEM SPECIFICATIONS: 150-Size, 6.59-GPI, 0.502-inch Spine, 0.286-inch Diameter, and 31.5" length. MATCHED SET - 6-pack of finished fletched arrows with blazer vanes are sorted and matched by weight and spine for best-in-class consistency