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1/2 20 UNF 2A SPECIAL THREAD RING GAGES .5 GO NO GO P.D.'S= .4675 & .4639 .50-20

YOU ARE PURCHASING THE PICTURED SPECIAL THREAD RING GAGES.SOLD BY M & J TOOLING LLCDAYTON, OHIOPRODUCT SPECIFICATIONS AND / OR LABELING:CONDITION:USEDSIZE:1/2 - 20 UNF - 2A SPECIALGO P.D.:.4675NO GO P.D.:.4639MANUFACTURER / BRAND:APISIF YOU...