The TAPS LH(084) 1 5/16-12 H4 B from Field Tool Supply is a left-hand tap designed for creating internal threads with precision. With a size of 1 5/16 inches and 12 threads per inch, this tap is ideal for various threading applications. The H4 tolerance ensures a high-quality finish, making it suitable for professional machining tasks. Crafted from durable materials, this tap is built to withstand wear, ensuring longevity and reliability. It complies with industry standards, making it a trusted choice for both professionals and DIY enthusiasts.