Century Drill & Tool Tap and Die Fractional Set, 40-Piece is a professional-grade tool kit designed for precise and consistent threading. This set features fractional taps and dies that are precision cut to ensure accurate thread formation. Each tap and die undergoes heat treatment and tempering, enhancing durability and extending the tool’s lifespan. The set includes a variety of essential accessories such as T-handle tap wrenches in multiple sizes, an adjustable tap wrench, an adjustable die stock, a pitch gauge, and a screwdriver. It also contains one of each tap and die in various sizes and thread types, including NC, NF, and NPT, making it a versatile choice for threading tasks. Model Number: 98900