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. The special formulations are for use on highly polished and matte finished alloy gun receivers, trigger guards, scopes, binoculars, cameras, flashlights, fishing reels. This model has a flat blak finish.