Precision meets reliability with the SPI 11 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 11 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 #14-821-3) is designed for professionals who demand reliability and precision in their measurement tasks. Perfect for quality control departments, machine shops, and manufacturing facilities where dimensional accuracy is paramount.