uxcell 5 Pieces Audio 4mm Banana Jack Female Socket Coupler Connector Adapter Product Name : Banana Connector Female;Material : Metal, Plastic Color : SilverTone, Red;Each Size : 23 x 9mm / 0.9" x 0.35"(L*D) Banana Connector Diameter : 4mm / 0.16" Weight : 17g Package Content : 5Pcs x Banana Connector Female