I have 8 easton bloodline arrows in the 330 spine. These are not the deep 6 inserts. 6 - 28", like new 1 - 27.75" like new 1 - 28", quickflecth was damaged. Put 2 black, 1 red - 2" blazer. Also I weighted the nock to 20 grains (same as nockturnal). This arrow will be exactly 12 grains lighter overall but taken out of the rear and a slightly higher FOC. This flys right with the above arrows. This was the plan for the rest of the arrows above. Decided to go a different route. $40 + shipping