The product is a bore gage specifically designed for precision inspection in CNC, metalworking, and manufacturing industries. Produced by Glastonbury Southern Gage (GSG), this XX Master Plain Bore Ring Gage is marked with a specific suffix of 1.8321. This gage is an essential tool for ensuring bore sizes are accurate and consistent, particularly for high-quality machining and manufacturing processes where precision is crucial. With a focus on industrial measurement and inspection, this GSG glastonbury southern gage product is a reliable tool for professionals in the metalworking industry.