The product is a 1 1/8" 8 UN 2B Vermont Thread Plug Gage, designed for measuring thread sizes and ensuring accuracy in manufacturing processes. Made by Vermont Gage, a reputable brand known for high-quality inspection gages, this unit is sourced from and manufactured in the United States. With a thread class of UN 2B and specific go and no go pitch diameters of 1.0438 and 1.0528, this gage is a crucial tool for precise measurements in CNC, metalworking, and industrial applications.