uxcell 5pcs Banana Socket Female Nut Screw Jack Connector Adapter Red Gold Tone Product Name : Banana Socket;Fit for : 4mm Banana Connector Total Size : 33 x 14mm / 1.3" x 0.55"(L*D);Thread Dia : 3.5mm / 0.14" Color : Red, Gold Tone;Material : Copper, Metal, Plastic Net Weight : 60g Package Content : 5 x Banana Socket