BLG-252 is a Brazilian cluster bomb

Cluster bomb

A cluster munition is a form of air-dropped or ground-launched explosive weapon that releases or ejects smaller sub-munitions. Commonly, this is a cluster bomb that ejects explosive bomblets that are designed to kill enemy personnel and destroy vehicles...

, with the load of 248 submunitions with mixed effect antitank / mines.

Operation

After the release, in a safe distance, the bomb opens its covering shells. The opening of the shells occurs by the action of a charge, driven by mechanical time fuses, located on the warhead and tail of the artifact. The dispersion of the submunitions is obtained as a function of the rotation acquired by the bomb after the release, determining the effectiveness area.