Specification Brand : M & J Tooling LLC ItemName : New 1 1/4 16 UN 2A Solid Thread Ring GAGES 1.25 GO NO GO PD'S = 1.2079 & 1.2028 - DW33566MJ ItemTypeKeyword : thread-gauges Manufacturer : M & J Tooling LLC NumberOfItems : 1 PartNumber : DW33566MJ ProductDescription : YOU ARE PURCHASING THE PICTURED RIGHT HANDSOLID THREAD RINGGAGES.