Precision meets durability with the SPI 13/32" Diameter Chrome Steel Gage Ball. Engineered to exacting standards, this high-quality measurement tool features an impressive 0.0001 inch tolerance and Grade 25 accuracy, making it ideal for the most demanding calibration and inspection tasks. The chrome steel construction provides exceptional wear resistance while maintaining dimensional stability. With a hardness rating of 63 RC, this gage ball delivers consistent performance even with repeated use. AFBMA certification ensures this tool meets industry standards for quality and precision. Perfect for dimensional measurement applications, this gage ball serves as an essential component in quality control processes, machine setup, and precision measurement systems. The reliable accuracy and consistent performance of this SPI gage ball make it an indispensable tool for manufacturing environments where precision is paramount.