Quote Originally Posted by Mark Rainey View Post
Good suggestion Jim. The chisel you are hammering looks solid... is that a 1/2 inch mortise chisel? What brand?
That is a 3/4" heavy firmer chisel. It is marked USN on the top side, on the back it is marked Winsted Edge Tool Co. (the maker of Witherby tools)

It set me back $2 at one of my favorite local, second hand stores.

jtk