Specification Brand : M & J Tooling LLC ItemName : New 1 3/16 28 UN 2A Solid Thread Ring GAGES 1.1875 GO NO GO PDS= 1.1631 & 1.1590 - DW33434MJ ItemTypeKeyword : thread-gauges Manufacturer : M & J Tooling LLC NumberOfItems : 1 PartNumber : DW33434MJ ProductDescription : YOU ARE PURCHASING THE PICTURED RIGHT HANDSOLID THREAD RINGGAGES.