Feature:1. Strong Practicality: Banana plugs connector extension cable wire premium cables and sturdy connectors ensure the best connection every time.2. 4mm Connector: The black banana plug extension cable has 4.0mm male/female connectors on both ends, suitable for any 4050A ESC.3. 13cm Wire Length: 4mm banana plugs connector extension cable wire length 13cm for effective extension.4. Silicone Cord: The banana plug connector extension cable is made of silicone cord, which is heat resistant, soft and durable.5. Wide Application: 4mm banana plug extension cable can be used for motor ESC connection of RC cars, boats, airplanes, etc.Specification:Item Type: 4mm Banana Plug Extension CableMaterial: Silicone WireCable Color: BlackProduct Length:Approx. 13cm / 5.1inJoint Diameter:Approx. 4mm / 0.2inApplicable:For RC Car, Boat, Aircraft and Other Motor Esc Connection.Package List:3 x 4mm Banana Plug Extension Cable3 x Heat Shrink Tube2 x Cable Ties