The Micro 100 Engraving Tool Single End 16R992 is a carbide engraving tool with a single end cutting edge. It has a shank diameter of 1/8", an overall length of 2", and a cutting diameter of 0.040". The engraving tool is made of solid carbide and can machine a variety of materials including steel, aluminum, brass, copper, plastics, and wood. It features a TiAlN coating for increased tool life and can be run at speeds up to 45,000 rpm. The single end cutting edge allows for detail work in tight spaces. This is a high quality carbide engraving tool well-suited for detailed engraving, inscribing, and micro-machining applications.