Align the Alpha-Nock’s raised ball index feature with the arrow’s cock vane (odd colored vane), then push the nock all the way into the receiver.  The flat surface on the opposite side of the nock should be aligned directly between the two same colored vanes.

How Do I Properly Index (align) My Alpha Nock To The Bowstring?

NOTE:  Based on consumer feedback, all non-lighted polymer Alpha-Nocks are glued into the CenterPunch arrows and do not require indexing.