Front Page CERTIFIEDSocks Factory "Ključ" dd Sarajevo achieved certificate from INNOVATEXT Textile Engineering and Testing Institute in Budapest. Click on image to read more! DOMESTIC"Ključ" is 100% domestic Bosnian company producing its products in capital city of Bosnia and Herzegovina, Sarajevo. Click on image to read more! TRADITIONWith over 120 years of its existence, "Ključ" factory has long tradition of high quality not only in Bosnia and Herzegovina, but in the region as well. Click on image to read more!