Easton Axis Carbon Arrow 6 Pack - The new Axis carbon arrows are the first arrows to utilize N0Fused Carbon nanotubes for great strength. Axis arrows also use Hidden Insert Technology or HIT. This technology aligns broadheads for greater consistency. They also come with the famous Easton X Nock already installed. Guaranteed straightness ±,.003 inches Weight Tolerance ±,2.0 grains Black micro-smooth finish High Strength nanotubes Pre-installed X Nocks 6 HIT inserts included Installation tool Chamfer stone Epoxy packet Quick HIT adhesive