Drawing of RG-41 hand grenade.
The Soviet RG-41 was a fragmentation grenade developed during WWII. It was in production for only a short time from 1941 to 1942 before being replaced by the RG-42.
It contained a 150g high explosive charge in a cylindrical can; the total weight was about 440g. The grenade could be thrown about 30 to 50 meters; the lethal radius was up to 5 meters; the maximum lethal radius was up to 15 meters.