uxcell 10 Pcs 3.8mm Thread 4mm Banana Socket Binding Post Replacement Product Name : Binding Post;Thread Dia. : 3.8mm/ 0.15" Fit Banana Connector Dia. : 4mm/ 0.16";Overall Size : 33 x 11mm / 1.3" x 0.43" (L*Max.D) Main Material : Metal;Main Color : Red, Black,Silver Tone Net Weight : 49g Package Content : 10 x Binding Post