Part Number: 12-0538 Application: 1929-1952 WL1929-1930 J1930-1934 VL1936-1940 EL1941-1964 FL1938-1948 UL Details:Parkerized battery wing nuts for a 6 volt battery have a 5/16 - 18 UNC thread. UOM: PK Country of Origin: USA