4121-1F1 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-1F1N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-1F2 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-1F2N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-1F3 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-1F3N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-1G1 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-1G1N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info

4121-1G2 INCH THREAD RING GAGE - Go • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request • ... more info

4121-1G2N INCH THREAD RING GAGE - NoGo • Accuracy grade 2A (optional grade 3A) • Standard ANSI B1.2 • Larger sizes are available upon request ... more info