4121-81 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-81N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-82 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-82N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-9D1 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-9D1N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-9D2 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-9D2N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-9D3 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-9D3N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info