Gold Tip Crossbow Nocks (12-Pack), Flat Yellow The high strength carbon composite construction of the Bloodline gives you the ultimate balance of speed, durability and raw power These bolts come fletched with Easton's BTV crossbow vanes designed specifically to enhance broad head flight on crossbow bolts Arrow nock color and fletching color on arrows is selected at the factory All arrows within a single pack will be the same fletching and nock color combination Depending on production runs colors may vary