Spine 650 • Red Zone® - Patented stiffer middle section and weaker ends to provide proper flex to achieve the ideal fletching clearance around the riser • BuffTuff® - The toughest and most durable arrow finish for extreme durability to withstand the hardest targets • Laser checked for straightness and sorted by weight and spine for best in class consistency • Straightness: .0025" •Spine, 650 (5.3 gpi)