GENERAL 88CM Scriber/Etching Pen with Magnet, Straight Tip, Tungsten Carbide Tip, Knurled Handle, 5-7/16 in OAL              The #89 tungsten carbide point scriber/etching pen with magnet can mark and scribe steel, ceramic and glass. The magnet can retrieve small ferrous and steel parts and chips from hard-to-reach places.