Feature: Type: Banana to Spade Adapter; Material: Copper (Gold plated) Hi-end Copper Banana to Spade Adapter Plug / Speaker Cable Connector 'U' inter Diameter: 6mm 'U' Outer Diameter: 8mm Rear entry diameter: 4mm (3/16") fit a banana plug Package include: 5x Banana to Spade Adapter.
eBay