Specification Brand : M & J Tooling LLC ItemName : New M16 X 1.5 6g Solid Thread Ring GAGES 16 GO NO GO P.D.'S = 14.994 & 14.854 - DW38422MJ ItemTypeKeyword : thread-gauges Manufacturer : M & J Tooling LLC NumberOfItems : 1 PartNumber : DW38422MJ ProductDescription : YOU ARE PURCHASING THE PICTURED RIGHT HANDSOLID THREAD RINGGAGES.