Again, ignore that link. THOSE DO NOT FIT ON THE GEO3, GEO2.1, EGO11, and CSL (maybe etha and etek4's too). The macroline fitting that Planet Eclipse uses NOW is not like those from macrolineguy at all so it will not fit.
this is the macroline fitting that other companies such as macrolineguy sells:
THIS IS THE MACROLINE FITTING FOR RECENT PLANET ECLIPSE MARKERS:
if you don't know what you're talking about, don't mislead others to purchase a product that doesn't fit or work and possibly damage someone's gear.