Made of hardened steel, cold chisels have a beveled cutting edge and an octagon-shaped hand­le. The cold chisel has a flat cutting edge, but related chisels are wedge-shaped (cape chisel), half ...

Bevelled edge: An edge that is slanted. Biface: A flaked stone tool that has been modified or retouched on both sides. Blade: A cutting tool made from a flake that’s length is at least twice its width ...