DescriptionAmerican Standard Thread Ring Gage, Go, 1/2-13UNC Class 2A GO Side Standard ANSI/ASME B1.2 Supplied with manufacturer inspection certificate Reviews0 American Standard Thread Ring Gage, Go, 1/2-13UNCClass 2AGO SideStandard ANSI/ASME B1.2Supplied with manufacturer inspection certificate Write a review There are no reviews yet