Copy of Russian F1 grenade, so-called "Efka" or "lemon". Made of wood, does not contain any dangerous or explosive substances. Product painted khaki or black.
F1 grenades were used by the Red Army during World War II and also by the Polish People's Army. After the end of the war, F1 became the basic defense grenade of the Warsaw Pact army. From 1947, the F-1 grenade was also produced in Poland.