uxcell 4Pcs 5.5mmx2.1mm DC Power Jack Socket Female Panel Mounting Connector Product Name : DC Power Jack Socket;Type : 2.1 x 5.5mm Socket Terminal Quantity : 3 Terminals;Size : 21 x 11mm / 0.83"x 0.43"(L*D) Mounting Thread Diameter : 8mm/ 0.31";Material : Metal, Plastic Color : Black, Silver Tone;Weight : 13g Package Content : 4 xDC Power Jack Socket