General Finishes Touch Up Markers contain the famous oil-based stain that has been making wood beautiful for over 90 years. NEW UPDATED FILL STICKS & MARKERS: DOWNLOAD THE NEW COLOR GUIDE HERE. The fill stick & marker line now has 15 COLOR GROUPS to match GF Gel Stains, Liquid Oil-Based Stains, Water-Based Wood Stains and Dye Stains. Use the redesigned complimentary Color Guide included with your order to choose the closest color or layer them to fine-tune the match.They cover surface scratches, watermarks, worn edges and other imperfections on all types of furniture, cabinets and woodwork. Touch Up Markers are a fast, convenient, no-mess way to stain and detail small hobby and woodcraft projects. Start with the lightest marker, and test different shades in an inconspicuous area to see which color will match your finish. You may need to combine two or more colors to match the exact finish. Immediately wipe off any wood stain that gets on non-scratched surfaces, as it can leave permanent darker marks on the finish.