300 000 to 45 000 years
During the Central European Middle Palaeolithic, about 50 000 years ago, bifaces are the most common flint tools.
The prondnikmesser is an asymmetrical biface with one end and side thinned by a longitudinal removal, that renders the edge extremely sharp.
This tool is mainly used for butchery.
Its abundance in Central Europe, reveals the existence of a Neanderthal technological tradition, in this region.