0000-160 2B Plug "No-Go" Gage NS stands for (American) “National Standard” miniature Thread series. This gage is one piece handle containing "No-Go" Precision Thread Gage made of High Speed Steel then hardened. Standard fit is 2B Picture is representative of part, This gage is scheduled to be available in February 2017 we are accepting pre-orders. Brand is;" MiniTaps" made specifically for us in Switzerland. Long form cert included in price.