Reliable connections for testing and repairs: 4 mm standard banana plug interfaces provide fast, secure mating with bench instruments, meters, power supplies, and educational kits, reducing intermittent contact and measurement errors. High conductivity and stable performance: All-brass banana plugs deliver excellent electrical conductivity and consistent signal transmission for accurate, repeatable results. Broad compatibility: Designed to fit a wide range of experimental equipment, instruments, and electronic products that accept 4 mm banana connectors. Durable construction: Brass plugs resist corrosion and wear, making them suitable for frequent use in laboratory and workshop environments. Easy to use: Quick plug-and-play connection ideal for classroom demonstrations, prototyping, and routine laboratory testing. Key attributes Function: Test leads with 4 mm banana plug interfaces for signal and power connections. Size: Standard 4 mm (banana) plug. Material: Brass plugs for superior conductivity and long-term reliability. Performance: Stable electrical contact and rapid signal transmission for accurate measurements. Typical applications Laboratory testing: Connect power supplies, oscilloscopes, and multimeters during component characterization and circuit validation. Education and training: Quick, safe connections for classroom experiments and student labs where repeated plug/unplug cycles are common. Repairs and prototyping: Use on a repair bench or in hobby projects to quickly diagnose faults, measure voltages, or route signals between instruments. Why choose these leads Eliminates loose or noisy connections that can skew measurements. Saves time with standard 4 mm compatibility and fast, secure plug-in action. Provides reliable, repeatable performance thanks to all-brass construction and solid contact design.