A twin-tip marker combines fine and ultra-fine tips into one unit to provide two levels of precision. Mark most difficult-to-mark surfaces. Most surfaces leave permanent marks. Water- and fade-resistant ink increases the number of project applications. This multipurpose and easy-to-use marker has an alcohol-based ink that dries quickly and is safe. Alcohol-based, nontoxic, fast-drying ink. most difficult-to-mark surfaces with marks. Water-and fade-resistant ink extends its useful life. Enhances performance with both ultra-fine and fine tips. In stock in Red, Black, or Blue.