The TAPS LH(064) 1-27 GH3 T from Field Tool Supply is a high-performance left-hand tap designed for threading applications. With a diameter of 1" and 27 threads per inch, this tap is perfect for creating precise internal threads in various materials. Made from premium materials, it offers exceptional durability and resistance to wear. The GH3 tolerance ensures a tight fit, making it suitable for both professional machinists and DIY enthusiasts. This tap meets industry standards, ensuring reliability and performance in all threading tasks.