The SPI Rectangle Steel Gage Block (0.2", Grade 0) is a precision measurement tool essential for calibration and dimensional verification in manufacturing and quality control environments. This high-quality steel gage block comes with NIST Certification, ensuring traceable accuracy for your most demanding measurement applications. Manufactured to exacting standards by MSC Industrial, this rectangular block provides the reference surface needed for precise dimensional comparisons. Part #12-701-9 is crafted from durable steel to maintain dimensional stability over time, making it ideal for inspection departments, tool rooms, and machine shops where accuracy is paramount. The Grade 0 classification indicates superior precision, making this gage block suitable for calibrating measuring instruments and setting up machine tools. Use this reliable measurement standard as part of a complete gage block set or as an individual reference piece for specific measurement needs.