These stackable banana plug test leads are designed for electrical testing, laboratory work, and electronic prototyping applications. Each cable features 4mm stackable banana plugs on both ends, allowing multiple connections from a single socket for flexible circuit setups. Constructed from high-quality copper conductors with durable PVC insulation, the cables provide stable conductivity, flexibility, and long service life. The insulated connectors improve operational safety during testing and measurement tasks. Suitable for use with multimeters, bench power supplies, and general-purpose electronic equipment.