... black plastic, 22.5L, plain end, 5.5mm, 2.1mm dc male power plug, dc connector plug nickel plated, POM black plastic ... , 22.5L, plain end, 5.5mm, 2.1mm dc male power ... plug, dc connector plug: 1. Materials: copper (59%), POM plastic ... and products: #.high quality products#.different colors plastic, nickel plated or gold plated #.we ...