Sorby Pair Thread Cutting Tools, 16 TPI are designed to bring a unique and fascinating feature to your woodworking projects, especially for making lidded boxes and other threaded turnings. Crafted by Robert Sorby, these tools feature a specially enhanced helix angle designed specifically for use in wood, ensuring smooth and precise thread cutting every time. This pair includes both the male and female thread cutters, allowing you to create ly matched threads. Made with high-speed steel blades and comfortable ash handles, these tools provide durability and ease of use. For optimal results, the optional Relief Tool and Tool Support accessories are highly . Detailed instructions are included to guide you through the process, making it accessible even for those new to thread cutting. Model Number: B890161