uxcell 20 x Black Plastic Shell Metal Body 3mm Dia Thread Banana Binding Post Product Name : Binding Post;Material : Plastic, Metal Main Color : Black;Thread Dia. : 3mm/ 0.12" Banana Jack Dia : 4mm/ 0.16";Size : 32 x 12mm/ 1.3" x 0.47"(H*D) Net Weight : 90g Package Content : 20 x Binding Post