The Micro 100 1/2" Carbide Threading Tool is a high-performance threading tool designed for cutting a variety of materials including steel, stainless steel, cast iron, aluminum, and more. It features a carbide insert with a TiAlN coating for wear resistance and heat dissipation. The tool has a 1/2" shank diameter and can cut UN, UNF, UNEF, and metric thread forms. It provides accurate threading starts and smooth surface finishes. The tool comes with one TPG321 carbide insert which has a ground chipbreaker design for efficient chip evacuation. Overall, this is a durable, versatile threading tool well-suited for cutting and re-cutting threads in most materials.