- 4 mm socket at the tail accepts 4 mm banana plugs only; it is not designed to be welded. This ensures a proper plug-in connection with compatible leads. - Quick and easy connection for fast setup in electrical projects and voltage testing, reducing setup time and fiddling. - Spring clip clamp is held securely, with a large, lightweight body and sharp teeth to grip conductors firmly. - Insulated spring clip set fits most wires, providing a versatile, safe connection for a range of applications. Use scenarios: - Electrical testing and troubleshooting with voltage testers, where fast, non-soldered connections are needed. - Prototyping and hobby electronics projects, enabling quick leads attachment to components and test points. - Field service or maintenance work, allowing reliable temporary connections to equipment without permanent wiring.