Specification Brand : M & J Tooling LLC ItemName : New M12 X 1.5 6g Solid Thread Ring GAGES 12 GO NO GO P.D.'S = 10.994 & 10.854 - DW33328MJ ItemTypeKeyword : thread-gauges Manufacturer : M & J Tooling LLC NumberOfItems : 1 PartNumber : DW33328MJ ProductDescription : YOU ARE PURCHASING THE PICTURED RIGHT HANDSOLID THREAD RINGGAGES.