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1/2 28 NEF SET THREAD PLUG GAGE .5 GO ONLY PD = .4768 1/2-28 QUALITY TOOLING

YOU ARE PURCHASING THE PICTURED SET THREAD PLUG GAGE.THESE GAGES ARE USED FOR CALIBRATING THREAD RING GAGES ONLY! THEY ARE NOT USED FOR CHECKING THREADED HOLES IN A MACHINED PART!SOLD BY M & J TOOLING LLCDAYTON, OHIOPRODUCT SPECIFICATIONS...