The Offensive grenade shown right and below/left was found in the Russian Federation, and appears to be a Polish license manufactured for Romania. According to Francesco it was called "MAN 1939". Below/right is the Defensive version.
Click on the image on the right to see more Romanian F1 grenades.
The M92 is manufactured by RomArm and exists in two forms; defensive and offensive. Specifications : Def. / Off. :