MarPac Tinned Copper BatteryCable (4-Gauge, 48 – Black).

• 4 Gauge.
• Length 48.
• Black.
  • Pre-assembled battery cable.
  • Made of 100% copper conductor for maximum current flow.
  • Full gauge stranded copper core is flexible for easy installation and allows maximum current for quick starting.
  • Copper core extends to the end of the plated lug to give a one piece solid connection.
  • Recommended for engine to ground connections.
  • Fits up to 3/8 stud.
  • Wire meets SAE standards.