Ancor marine grade heavy duty battery cables are pre-assembled with heavy duty tinned copper lugs and adhesive lined heat shrink tubing. These ready-to-use battery cable assemblies are designed to resist battery acid, oil, moisture intrusion and corrosion.. Features Tinned stranded copper wire for maximum protection; Ultra-flexible (Type 3) stranding resists fatigue due to vibration and flexing; Premium, flexible insulation; Exceeds all UL 1426, US Coast Guard Charterboat standards; Specifications Color: Red; Stud: 3/8″; Wire Gauge: 2; Length: 32″; Country of Origin: USA; .