Temco 2 Gauge 48in - 5/16 3/8 in Hole Sizes Red Solar Battery Cables Power AWG Solar Inverter Golf Cart Car GLUE SEALED Discount applied automatically when quantity lots are bought. First Hole Size: 5/16", Second Hole Size: 3/8" 2 AWG, Copper Conductor Max Voltage: 600 V, Max Amps: 205 Nominal Outside Diameter: 0.42" / Stranding (qty. dia): 624/0.01"