Made for us on special order for gun checkering. Cutting edge of the ''''V'''' is 90deg, thus eliminating tipping the tool from one side to the other to point-up 90deg diamonds. Assures good, positive work. Uniform contact and shape. Back of file is ''''Safe.'''' Mfg: Brownells SPECS: 6A 1/4'''' (15.9cm) overall length. Medium or Fine cut.
