Victory VAP SS Sport 400 spine Carbon Arrows - 12 Pack - The VAP SS was Victory Archery's answer to manufacturing the most technologically advanced hybrid carbon stainless steel hunting arrow in the world. Victory Archery being the original inventor of the micro diameter mandrel wrapped shafts (known to all as the VAP) decided to push the envelope and combined all its technological expertise to develop a hunting arrow that is simply far superior to anything on the market. Micro diameter with Stainless Steel layers Advanced 3K carbon weave for less torque Ice Nano ceramic coating Straightness tolerance +-.006in