Straight Probe Stainless Steel Scribe - SFC Tools - 52-1467 This scribe will give you a precise mark or line on metal and other hard materials. Made of polished stainless steel with a textured grip. Useful for a variety of tasks including marking designs, measurements, pilot holes, and lettering. Overall length is 5.5 (14 cm). Tip measures 0.4 mm in diameter.