uxcell 10 Pair Binding Post 4mm Banana Socket Connector Head Red Product Name : Banana Socket Set;Socket Dia.(Approx) : 4mm / 0.157" Thread Dia. : 6mm;Total Size : 32 x 8.5mm/ 1.26" x 0.335"(H*D) Materials : Plastic, Metal;Main Color : Red, Silver Tone Weight : 40g Package Content : 10 x Banana Socket10 x Banana