TOOGOO(R) Yellow Tip 4.0x1.7 mm Male Plug to 5.5x2.5mm Female Jack DC Power Connector Black Product Name : DC Power Connector Connector Type : 5.5x2.1mm Female Jack to 4.0x1.7mm Male Plug Overall Dimension : 40 x 12 mm / 1.6" x 0.47" (L*Max.D) Material : Plastic, Metal Color : Black, Silver Tone, Yellow