Precision meets durability with the SPI 23 mm Diameter Chrome Steel Gage Ball. Manufactured to Grade 25 Accuracy standards, this high-quality dimensional measurement tool is essential for calibration, layout, and machine setup applications. The chrome steel construction ensures exceptional hardness and wear resistance, making it ideal for repeated use in professional measurement settings. With its perfect spherical form and precise 23 mm diameter, this gage ball delivers consistent, reliable measurements for quality control processes. Part #14-833-8 from SPI's trusted line of measurement tools provides the accuracy industrial professionals demand for dimensional verification, fixture setup, and precision alignment tasks. This versatile calibration tool is an indispensable addition to any metrology laboratory or manufacturing facility.