TransferMan NK2 From Eppendorf is a product used in IVF Laboratory and is the best micromanipulators for IVF / ICSI procedures. The Eppendorf TransferMan NK2 is used routinely for microinjection of DNA into the pronucleus of zygotes and injection of embryonic stem cells into blastocysts. Operating the TransferMan NK 2 micromanipulator, with its few self-explanatory keys, is extremely simple.