4mm-Panel-plug-Tru Connect-Tru Connect-This-4mm-plug-is-for-a-banana-socket-&-features-a-moulded-hard-body-threaded-with-two-fixing-nuts-The-4mm-banana-plug-has-been-machined-from-brass-&-nickel-plated-It-also-has-a-moveable-multi-lam-contact-cage-spring-for-a-tight-fit-BR-BR-It-also-incorporates-nickel-plated-brass-insert-with-screw-wire-fixing-It-requires-a-4mm-diameter-panel-hole-with-maximum-panel-thickness-6mm-4mm-Panel-Plug