Temco 6 Gauge 18in - 1/4 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 & Second Hole Size: 1/4" 6 AWG, Copper Conductor Max Voltage: 600 V, Max Amps: 115 Nominal Outside Diameter: 0.32" / Stranding (qty. dia): 259/0.01"