uxcell 15pcs 5.5mmx2.1mm Male DC Power Supply Connector Adapter Product Name : DC Power Connector;Fit for : 5.5 x 2.1mm Female Jack Total Size (Approx.) : 44mm x 10mm / 1.7" x 0.39"(L*D);Fit Cable Dia : 4.5mm/0.18" Color : Black, Silver Tone Weight : 24g Package Content : 15 x DC Power Connector