1 3/8 - 6 3A

1 3/8 6 UNC 3A SET THREAD PLUG GAGE 1.375 GO ONLY P.D. = 1.2667 1 3/8-6 QUALITY

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...