Feature: 1. High Bearing: 4mm banana plug can bear 32A high current and 1000V voltage, which is suitable for home and office use. 2. Strong Material: Made with PVC and copper material with good transmission performance, good contact performance, and high resistance to plug. 3. Efficient Contact Part: Contact parts are pure copper and nickel plated, with low loss and not easy to oxidize. 4. Insulative PVC: PVC non slip insulation sheath, not easy to burn in case of fire, automatically extinguished after leaving, able to ensure the safety of work. 5. Simple Connection: There are screws at the end, the wire can also be welding to the connector, plug side can even pole interplug. Specification: Item Type: 4mm Banana Plug Material: PVC, Red Copper Contact Material: Pure Copper, Copper Plated Nickel Insulation: PVC Application: For Speaker, TV, Computer, Etc. Product Size: Plug Length: Approx.61mm/2.4in Weight: Approx.70g/2.5oz Maximum Wiring Diameter: 3.5mm/0.13in Maximum Current: 32A Withstand Voltage: 1000 V Connection: Screw Connection. Package List: 10 x Sleeve10 x Connector