SKS-Hirschmann-16A-PB-4-Test-Sockets-4mm-16A-SKS-Hirschmann-973582101-p-These-red-4mm-PB-4-tin-plated-brass-test-sockets-from-SKS-Hirschmann-are-suitable-for-measuring-&-testing-printed-boards-The-test-socket-may-also-be-mounted-on-the-printed-board-using-a-pan-head-self-tapping-screw-p-SKS-Hirschmann-973582101-16A-PB-4-test-Socket-mm-DC-Red