With moulded plastic captive-head socket top having continental 4mm plated socket. Screw top takes ordinary connecting wires and spade terminals. The socket provides sufficient engagement length to the plugs and has a 2mm transverse hole for unterminated leads. The unscrewed top provides a total gap of 5mm enabling crocodile clips to be connected directly. Includes nuts and insulating washers. Available in colours Red and Black.
