Carbon Express Maxima Red SD Arrows 300 6 pk. Dual Spine Technology: Patented design that cuts oscillation by 50 percent compared to single spine arrows, ensuring twice the accuracy;D-Stroyer Line Variety: Four different configurations to suit various hunting needs and preferences;Advanced Performance: Through the exclusive Dual Spine Weight Forward technology, these arrows promise exceptional performance;Construction: The use of high-quality materials and design principles that make Carbon Express a trusted name in arrow technologytable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 1000 Product Group Code: 1000A Product Sub Group 1: 1000A1 Product Sub Group 2: 1000A1B Inactive: No