BloodSport Evidence Arrow with Blood Ring 500 Spine Black. 001 straightness tolerance. Combined with its proprietary Rugged Wrap construction the Evidence features thick walls with a micro-diameter shaft to provide unparalleled flight and penetration even at long distances. This level of accuracy and toughness has yet to be duplicated. Available in four different spines (300 350 400 or 500) and two quantity options (6-pack or 36-pack) the Evidence truly caters to every archer. An R.O.C. (Reliable Outsert Component) is also included for every arrow. Reach archery hunting perfection with the Evidence by Bloodsport. Specifications for BloodSport Evidence Arrow: Manufacturer: BloodSport Color: Black Features of BloodSport Evidence Arrow Unbeatable .001" straightness .165" micro-diameter for precise deep hits Blood Ring technology guides tracking Ultra-durable Rugged Wrap construction R.O.C. (Reliable Outsert Component) included with each arrow Package Contents: BloodSport Evidence Arrow BloodSport BLS-PSA150106: Evidence Arrow with Blood Ring 500 Spine Black