Vktech 4 Pcs Metal Body 4mm Female Banana Socket 7mm Thread Binding Post Terminals 100% Brand new and high quality 2-Pair = 2 red + 2 black, speaker cable binding posts - SPEAKER CABLE TERMINAL BINDING POSTS, FOR AMPS, SPEAKERS. Normal 4-way post, they mount in a 1/4 inch round or "D" shaped hole Color: Black & Red Size: Approx.4.3*1cm(L*D)