An easy and effective way to touch-up nicks, scratches, and worn areas of anodized-aluminum or black-painted surfaces, the Birchwood Casey Super Black Touch-up Pen contains fast-drying, lead-free paint with superior adhesion and durability. 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. Available: Gloss Black. Type: Bluing.