4121-1G3 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-1G3N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-1H1 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-1H1N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-1H2 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-1H2N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-1H3 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-1H3N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-21 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-21N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info