The Meyer Gage Pins Set M2 class Z minus .251 / .500 is a complete set of pin gages designed for precise measurements in metalworking inspection and measurement. Made in the United States by the reputable brand Meyer, this set includes one pin gage with a specific size range of M2 class Z minus .251 / .500. These gage pins are essential tools for ensuring accurate results in CNC machining and other metalworking processes.