Scribe trim lines on galvanized sheet metal quickly and accurately with this Sheet Metal Scribe (A40) from Malco. It has 10 preset scribing depths from 1/8&quot to 1&quot. Each scribing depth size features a dual edged point to create clean, readable and accurate score lines parallel to the edge of the metal sheet. The corrosion resistant finish and etched-in dimensions are readable for life of tool. Plus, it's compact enough for you to store in your pocket, pouch or tool box.