Ring Lugs: Terminal Type - Standard Ring; Insulation - Non-Insulated; Stud Size - 1/4"; Conductor Min - 1/0 AWG; Conductor Max - 1/0 AWG; Temperature Rating - 170 deg C (338 deg F); Additional Information - Barrel Type: Closed Barrel, Material: Copper, Wire/Cable Size (CMA) = 83700 - 119500; Manufacturer Series - Solistrand