Sale Only 1 left in stock Quick view Remove from Compare Compare Items S.G. CO. 1 5/8 16 UN 3A THREAD RING GAGE 1.625 GO ONLY P.D. = 1.5844 1 5/8-16 N-3A 1.6250 - 158163ARGO1 $89.99 $76.49 View Options