The TAPS LH(092) 1 7/16-12 H4 T from Field Tool Supply is a robust left-hand tap designed for threading applications. With a size of 1 7/16-12, it is perfect for creating internal threads in various materials, including metals and plastics. Made from high-speed steel, this tap ensures long-lasting performance and resistance to wear. The H4 designation indicates a high-quality cutting edge, allowing for efficient chip removal and reduced friction. Ideal for professionals, this tap is a must-have for any threading project requiring left-hand threads.