Sorby Pair of Thread Cutting Tools, 10 TPI is designed specifically for creating lidded boxes and other threaded wood turnings, adding a unique and fascinating feature to your woodworking projects. This pair of tools features a specially enhanced helix angle optimized for use in wood, ensuring smooth and precise thread cutting. The set includes both male and female thread cutters, allowing you to produce ly matched threads. Crafted with high-speed steel blades and ash handles, these tools combine durability and comfort. For results, the optional Relief Tool and Tool Support are to help form i threads. Detailed instructions are provided to guide you through the threading process, making it accessible for both beginners and experienced woodworkers. Model Number: B890101