Specification Brand : M & J Tooling LLC BulletPoint : Thread Ring Gage M12 X 1.75 6g Threaded Ring Gauge GO NOGO ISO Metric M12x1.75 ExternallyAssignedProductIdentifier1 : 0763449314175 ExternallyAssignedProductIdentifier2 : 763449314175 ItemName : New 1 3/16 20 UN 2B Vermont Thread Plug GAGE 1.1875 GO NO GO = 1.1550 & 1.1611 - DW31609VTG ItemTypeKeyword : thread-gauges Manufacturer : M & J Tooling LLC NumberOfItems : 1 PartNumber : DW31609VTG ProductDescription : YOU ARE PURCHASING THE PICTURED RIGHT HANDTHREAD PLUG GAGE.