Stielhandgranate 24
The Stielhandgranate 24 (lit. 'Stick hand grenade 24') or Stg. 24, also known as the potato masher (Kartoffelstampfer), or the doorknocker (Türklopfer), was an improvement over the stick grenades used by the Germans during World War I, which would be later be augumented during World War II with a fragmentation sleeve while in 1943, the Germans introduced a new variant designated as the Stielhandgranate 43.