New Marine Grade Primary Wire ancor 108010 #10 Gauge Black Length 100 : Tinned copper stranding for maximum protection against corrosion electrolysis and resists fatigue due to vibration and flexing. Rated at 600 volts and 105 degC the heavy duty insulation is resistant to heat and abrasion. Exceeds all UL 1426 US Coast Guard Charter Boat and ABYC standards.