This grenade is made by FAMAE (Fábricas y Maestranzas del Ejército). The fuze arrangement could be replaced by a small pressure plate and fuze to convert the grenade into an anti-personnel mine known as the FAMAE MAPT 78-F2.
Length: 100mm Diameter: 50mm Weight : 180gram including 87gram TNT. Weight with Fragmentation sleeve : 340gram Delay : 3-5seconds.
The practice version is painted blue. The instructional version is painted yellow.
This grenade has a small hollow charge in the base. It is made by CARDOEN-METALNOR .