The Gage Block 0.550 GR 0 (2) by Field Tool Supply is a high-precision tool essential for accurate measurements in machining and quality control. Constructed from premium materials, this gage block ensures long-lasting performance and reliability. Measuring 0.550 inches, it meets strict industry standards for precision. Ideal for calibration and setup tasks, it provides a stable reference point for various applications. Each block is carefully manufactured to guarantee optimal flatness and surface finish, making it a valuable addition to any toolset.