Ancor 4 Gauge Marine Battery Cable - Per Foot THIS PRODUCT IS SOLD BY THE FOOT Ancor 4 Gauge Marine Battery Cable is constructed with high-quality tinned copper stranding and delivers maximum protection against both corrosion and electrolysis. This 4 Gauge Marine Battery Cable features flexible stranding that is resistant to cable fatigue brought on by vibration and flexing. Ancors marine-grade quality marine battery cables are designed to remain flexible in even the harshest conditions and are