Offensive grenade, painted black with a yellow band around the neck.
OHG92's were produced for export only.

Length : 97mm
Diameter : 65mm
Total weight : 270gram
Filling : 170gram RDX/TNT

Photos © W. Schumann.

The grenade shown below is the same OHG92, but in the Swiss colour markings during its test period.
It was not adopted by the Swiss army.