MICRO 100, RSC-250-120, 60? included angle, single ended, split-end, solid carbide engraving tool. Designed and engineered with a standard conical v-shape for most common engraving and marking applications. Each tool's cutting edge/tip has a distinctive mirror like finish that significantly adds to material removal while improving surface finishes. Excellent for engraving applications in most materials from soft , medium, to hard materials. MICRO 100 Solid Carbide Tools feature more than just a micro-grain of excellent quality. Their substrate is in a class of its own resulting from an exclusive treating processes that allow for increased speed and feed rates and allowing for longer tool life. For over 45 years, MICRO 100 is a known industry leader and internationally acclaimed.