Birchwood Casey Super Black Touch Up Pen (Flat) The super black touch-up pen is an easy and effective way to touch-up nicks scratches and worn areas of black anodized aluminum or black painted surfaces. - The pen contains a fast drying lead-free paint with superior adhesion and durability that helps fill in deep scratches or worn areas. These special formulations are for use on highly polished and matte finished alloy gun receivers trigger guards scopes binoculars cameras flashlights fishing reels and other sporting accessories. - Use like a marking pen with no mess-simply rub on with chisel point felt tip. 1/4 Fl. Oz. Flat Black.