2.1mm Screw Terminal Line Socket A handy socket with a DC 2.1mm plug and screw connector block. Screw your wires into the back and just plug in. Polarity marked on the screw connector block.Specifications:Dimensions: 39 x 13 x 12 mmCenter Hole: 2.1mmFemaleDiameter: 5.5mmShaft Length:... MSRP: Was: Now: £0.79 Add to Cart Compare