These Engraving Art Tools are used to scrape away the lines on your Engraving Art foil board (not included) to reveal your own engraving masterpiece! This set contains #1 Cutter, #2 Cutter, #3 Cutter and #4 Cutter, each tool measures 6 inches long. Use them to make a variety of strokes and lines. Caution: Contains functional sharp edge. Handle with care.