Econo ScribeFeatures machined aluminum handles, diamond knurling for comfortable and sure grip, precision ground tungsten carbide scribe tips, pocket clips and protective capsIdeal for fine line marking on metal, stone, ceramic and glass, metal fabrication, construction marking and textile marking Premium Scribe Replaceable carbide scribe tip Combo Scribe Replaceable carbide scribe tip and built-in magnet Giant Scribe Extra large scribe handle Perfect for heavy duty scribing Replaceable scribe tip Econo Scribe Permanent scribe tip Econo Scribe & Magnet Permanent scribe tip and built-in magnet