DescriptionSpecificationsDescription1/4-20, 0.635" Diam x 0.051" Thick Flange, Rubber Insulated Rivet Nut UNC Thread, Rubber, 1/2" Body Diam, 1.051" OAL (MOQ=1, Pkg Qty=25)SpecificationsManufacturer Item No.JF-6250Manufacturer NameRivetKing.