The TAPS RH(088) 1 3/8-16 GH4 P by Field Tool Supply is a high-performance right-hand tap designed for threading tasks. Featuring a thread size of 1 3/8 inches and 16 threads per inch, this tap is ideal for creating strong internal threads in metal and plastic. Constructed from high-speed steel, it provides exceptional durability and resistance to wear. The GH4 P tolerance rating ensures a precise fit, making it suitable for applications requiring accuracy. This tap is versatile and can be used with both manual and machine tapping tools, catering to a wide range of threading needs.