Hands down the easiest way to touch-up your blued firearm. Use it just like a magic marker to precisely reblue
nicks and value-diminishing scratches with the easy-to-use "bullet point" felt tip. No spills. No drips. This gun-blueing
pen penetrates steel instantly for a durable blue-black finish that will not rub off with rough handling. Provides
one-coat coverage on non-stainless steel firearms with Birchwood Casey's trusted blueing formula.