A chisel
Wood or stone shaping tolls are called chisels.
Graver
An adze.
plane
Whetstones, these were made from slate by the Vikings but the modern whetstone is made from Silicone carbide.
Flint: depends what shape it was cut to. Spear, arow tip, mace, knife, tool, fire lighting tool,razersscraperswhat time in the stone age?