Stunning, it looks just like the tiny 'concave end scraper on a flake' tool that was used by folk for butchering and alike back then.
http://www.hf.uio.no/iakh/forskning/sarc/iakh/lithic/scrapers.html#anchor1451994
By my reckoning that thing will weigh about 75kg'ish, can you imagine the size of the chap that used it? My estimates put him at about the size of a four story building.
More evidence of the existnace of Giants I say.
Peter Smith