Precision meets reliability with the SPI 8 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 durability and consistent performance in various measurement scenarios. With its precise 8 mm diameter, this gage ball provides the accuracy needed for critical dimensional inspections and comparisons. Part of SPI's trusted line of measurement tools, this gage ball (Part #14-818-9) is designed for professionals who demand reliability and precision in their measurement processes. Perfect for quality control departments, machine shops, and manufacturing facilities where dimensional accuracy is paramount.