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3/8 12 ACME 4G TRIPLE LEAD SET THREAD PLUG GAGE .375 .0833P-.2500L .3309 & .3268

YOU ARE PURCHASING THE PICTURED ACME TRIPLE LEAD 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...