This incendiary grenade consisted of a thin steel spherical case with a 1915 percussion fuze.
It was filled with a mixture of petrol and aluminium powder.
The central tube was filled with black powder. 2 fuze models were used.
Red marking under fuze: detonator. White marking: no detonator.

Height w/fuze: 130mm, diameter: 82mm.
Total weight: 500gram.
5seconds delay.

The "grande" model was 12cm wide.