The MHC Industrial Gauge Block Set is a precision toolset designed for accurate measurement, calibration, and inspection in professional metrology applications. Manufactured to Grade 2 tolerances, these blocks offer reliable dimensional accuracy for general laboratory, workshop, and manufacturing use. The 87-piece configuration provides a versatile range of sizes, allowing users to set up micrometers, calipers, dial indicators, and height gauges quickly and precisely. Each set is crafted from durable, high-quality steel to maintain accuracy over long-term use.