Cold chisel
Hot chisel
Hot chisel, details
Cold chisel: This tool is made out of 1-in. square stock. The punching of the eye and head part of this chisel is made in the same way as the other tools described here. A blade is tempered from the centre to 23⁄4 ins. in length, and the cutting edge is finished a little rounding. This tool is made to cut cold iron, hence its name.
Another cold chisel