Flake stone tools were mainly used as useful tools and include chipped stone tools such as points, stone spears, stone arrowheads, stone knives, stone harpoons, stone spatulas, stone drills and stone saws.
剝片石器には、尖頭器・石槍、石鏃、石匙、石鏃石銛、石篦、石錐、石鋸などの打製石器があり、主に利器として使用される。