Ring Lugs: Terminal Type - Standard Ring; Insulation - Nylon; Stud Size - #4; Conductor Min - 12 AWG; Conductor Max - 10 AWG; Color - Yellow; Voltage Rating - 300V; Additional Information - Insulation Diameter: 0.250", Barrel Type: Closed Barrel, Material: Copper, Wire/Cable Size CMA: 5180 - 13100; Manufacturer Series - PIDG