1/0 gauge (AWG) black battery cable sold by the foot. Rated for use up to 60 volts. Cable is made in the USA from 133 strands of true 21 gauge copper conductor wire covered in a durable, high temperature resistant black PVC insulation with a nominal outside diameter of 0.550 inches. Excellent conductivity maximizes current flow while still being flexible. Ideal for connecting batteries, starters, amplifiers, and for solar use. Meets SAE J1127 specifications. Temperature rated from -50°C to 105°C (-58°F to 221°F). RoHS Compliant.