I have three tasttech nemesis and even more hybrid caps for them. But my one Nemesis I bought from Focal has a different top cap threading and size then the fasttech ones.
this is the nemesis I have.
http://focalecig.com/Product/Nemesis-StyleMechanical-Mod-19428
this is the nemesis I have.
http://focalecig.com/Product/Nemesis-StyleMechanical-Mod-19428