Specification Brand : M & J Tooling LLC ItemName : New 9/16 18 UNJF 3A Vermont Thread Ring GAGES .5625 GO NO GO PDS= .5264 & .5230 - DW33953VTG ItemTypeKeyword : thread-gauges Manufacturer : M & J Tooling LLC NumberOfItems : 1 PartNumber : DW33953VTG ProductDescription : YOU ARE PURCHASING THE PICTURED RIGHT HANDTHREAD RINGGAGES.