Item Type: Banana PlugConductor Material: BrassFinish: Silver PlatedQuantity: 4pcsMaximum Wire Diameter: Approx. 4.5mm / 0.18inFixing Method: Can Be Screwed, Can Be SolderedScope of Application: Widely used in professional sound equipmentPackage List4 x Banana Plug1EASY TO INSTALL: The open screw makes the installation of the wire more convenient and quick, stable and firm, and not easy to fall off. 2SILVER PLATED FINISH BRASS CONDUCTOR: The use of silver plated brass provides corrosion protection and ensures high quality clear sound. 3WIDER BASE: Banana plugs have a wider base that minimizes shorts for maximum signal transfer. Can be screwed and soldered. 4HIGH QUALITY: The banana plug accepts speaker wire up to 4.5mm / 0.18in diameter and allows for good contact area with the binding posts. 5WIDELY USED: Banana plugs make speaker wire installation a breeze and use with A/V receivers, amplifiers, sound systems, banana wall plates.