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

4121-3B1N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-3B2 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-3B2N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-3B3 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-3B3N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-3C1 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-3C1N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-3C2 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-3C2N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info