Brand: Philmore LKG. MPN: 48-257. DC Coaxial Jack Power Cord. DC COAXIAL / Cables. Product Specifications: 22 AWG, black, 6 ft, 2.1mm center pin, mate with 2.1mm x 5.5mm DC plug, molded DC jack one end, stripped and tinned other, zip cord, one conductor marked with white line for polarity.