The Monarch® Model 1131 Replacement 1-Line Ink Roller will keep your Monarch® Model 1131 1-Line Pricing Gun filled with ink for your next round of pricing. The 1-Line Ink Roller is the preferred ink replacement for the Monarch® Model 1131 1-Line Labeler. The replacement ink rollers allow for proper ink distribution. The Monarch® 1-Line Ink Roller Replacements are easy to change out, avoiding the hassle of a mess. Don't get caught without ink!