The IC-3000W offers the ability to connect the power inverter to the battery, The terminal will take a 3/8"" bolt while the inverter bolt hole is slightly smaller at 5/16"", 0 gauge primary wire, Each cable is 36"" in length, Ring terminal size 60-10 (3/8"" bolts required), Set of 2 wires: red (positive) and black (negative), Assembled Dimensions: 10"" L x 1, 8"" W x 12"" H, SKU: DBIC-3000W