Protect your work and erase only what you need with a high-quality, precision eraser that won't damage your paper. When damp, the Mono Zero Eraser will remove DRY PAINT!! Easily remove smudges, boo-boos, straighten crooked lines or correct errors! This amazing tool is a must have for any painter's tool box. The refillable MONO Zero has a pen-style body that’s easy to use and store — or use the convenient clip for on-the-go corrections.