Ancor Tinned Copper Battery Cable 3/0 AWG 81mm - Black - Sold By The Foot One Size. They are constructed with premium vinyl insulation that is rated at 600 volts 105 deg C dry and 75 deg C wet stays flexible even in extreme cold (-40 deg F/C) and resists salt water battery acid oil gasoline heat abrasion and ultra-violet radiation. The highest quality ultra flexible (Type 3) tinned copper stranding provides maximum protection against corrosion and electrolysis while resisting fatigue due to vibration and flexing.Features:Manufactured from tinned copper stranding for maximum protection against corrosion and electrolysisUltra flexible (Type 3) stranding resists fatigue due to vibration and flexingStays flexible even in extreme cold (-40 deg C) and resists salt water battery acid oil gasoline and ultra-violet radiation Package Contents: Ancor Tinned Copper Battery Cable Ancor 1180-FT: Tinned Copper Battery Cable 3/0 AWG 81mm - Black - Sold By The Foot One Size