uxcell Metal Body 4mm Female Banana Socket 7mm Thread Binding Post Terminals 4 Pcs Product Name : Binding Post;Material : Plastic, Metal Main Color : Red, Black;Mounting Thread Dia. : 7mm Banana Socket Dia : 4mm;Size : 43 x 10mm / 1.7" x 0.4"(H*D) Weight : 25g Package Content : 4 x Binding Post