See Russian F1 for information.

Total length : 110mm (DVM)
Diameter : 55mm
Weight : 600gram
Filling : 60gram TNT
Fuze : UZRGM or DVM78
Fuze delay : 3,2-4,2 seconds (DVM)

Photo right © Cory.
Photos below © Craig.

From the website of the Bulgarian manufacterer, Arsenal, I took this tabulated data :

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Red practice © Cory :