Specification Brand : M & J Tooling LLC ItemName : New M10 X 1.25 6g Solid Thread Ring GAGES 10 GO NO GO P.D.'S = 9.160 & 9.042 - DW33401MJ ItemTypeKeyword : thread-gauges Manufacturer : M & J Tooling LLC NumberOfItems : 1 PartNumber : DW33401MJ ProductDescription : YOU ARE PURCHASING THE PICTURED RIGHT HANDSOLID THREAD RINGGAGES.