The police exchanged the drugs for pieces of wood and were then able to arrest the men on the morning of December 29 when they picked up the package at a post office in Norrköping.
According to the police, the party's value on the street, if repackaged to gram doses, was about 1.2 million kronor.
The men are sentenced for their refusal to 3 years and 6 months in prison each.
Katinon is allowed in the Netherlands.