Precision meets reliability with the SPI Rectangle Steel Gage Block. This 2-inch, Grade 0 block comes complete with NIST Certification, ensuring the highest standards of accuracy for your dimensional measurement needs. Manufactured by MSC Industrial under the trusted SPI brand, this calibration tool is essential for quality control processes in manufacturing and engineering environments. The rectangular steel construction provides durability and dimensional stability over time, making it ideal for calibrating measuring instruments and setting up machinery with confidence. Perfect for metrology labs and production facilities where precision is paramount, this gage block (Part #12-718-3) helps maintain consistency in your measurements and inspections. The Grade 0 classification indicates superior accuracy tolerances, suitable for the most demanding applications where measurement precision cannot be compromised.