Here is an unusual marked Nicholson 1/2 round file that looks to be in good condition though has very light surface rust and a small bend on the handle end. This 17" long bastard cut is stamped "For Armor Plate". Please check out my other items.  Questions cheerfully answered.  Please add me to your favorites. Your satisfaction is very important to my sleep. If there is ever a problem, mistake or misunderstanding I will do my very best to regain your trust.