Gold Tip's Black Label carbon arrow goes beyond straightness standards to go beyond your expectations. Every Black Label is laser-sorted at multiple points along the shaft to assure straightness along the full length, not just the ends. That means accuracy to impress even your most demanding bow hunters. Add renegade graphics to match Gold Tip's legendary toughness and you get an arrow with looks and performance that kill. Includes a GT Nock, black anodized nock collar, a black anodized Accu-Lite insert and a 20 grain FACT weight. Available in 300, 340 and 400 spine. Specifications: +/- .0025" straightness tolerance. +/- 0.5 grain weight tolerance. Inside Diameter: 0.246" Outside Diameter: 300 (.302"), 340 (.300"), 400 (.295") Arrow Weight: 300 (9.3 gpi), 340 (8.9 gpi), 400 (8.2 gpi) Smart Carbon Technology - pure carbon, no fillers. Legendary durability & straightness retention. Gold Tip Black Label arrows are only available from authorized archery pro shops.