Gold Tip Velocity XT Carbon Arrows - 6 Pack - Built for speed, the entire family of Velocity arrows ensures you get the most out of the technologically sophisticated speed bows offered by today's leading manufacturers. Offering incredible durability and straightness retention, with less added weight, the Velocity line fulfills your need for speed. .300 Spine: 8.8 Grains Per -Inch 32in Uncut .340 Spine: 8.2 Grains Per -Inch 32in Uncut .400 Spine: 7.4 Grains Per -Inch 32in Uncut Raptor Vanes