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.