PJP 1052-12 4mm Panel Plug

PJP-4mm-Panel-Plug-PJP-1052-12-p-This-4mm-plug-from-PJP-can-be-mounted-to-printed-circuit-boards-or-chassis-which-mate-directly-to-4mm-sockets-p-PJP-1052-12-4mm-Panel-Plug

Price: 1.56 from Rapid Online Rapid Electronics Ltd.