The body style of the post-war F1 is only a little bit altered.
F1 grenades can be found worldwide in use with a lot of countries.

Total length : 131mm
Length body :
Diameter : 55mm
Weight : 750gram including 60gram TNT
Fuze : UZRGM or UZRGM-2
Delay element: 3 - 4 seconds

All photos © Cory.

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American imitation :

Copies of the Russian F1 and RGD-5 were made to train troops in recognizing foreign equipment.
These are made in the US.