Uuuhhh.... I didn't know you tapered for self nocks
![Wink ;)](http://www.primitivearcher.com/smf/Smileys/default/wink.gif)
Based on my limited experiance with glue-on nocks, the shorter taper(its pointier) is for nocks, the longer, less pointy one is for the point. Most points use a 5 degree taper, and I think nocks use a 10 degree taper.