Specification Brand : M & J Tooling LLC ItemName : New 9/16 24 UNEF 3A Vermont Thread Ring GAGES .5625 GO NO GO PDS= .5354 & .5325 - DW34513VTG ItemTypeKeyword : thread-gauges Manufacturer : M & J Tooling LLC NumberOfItems : 1 PartNumber : DW34513VTG ProductDescription : YOU ARE PURCHASING THE PICTURED RIGHT HANDTHREAD RINGGAGES.