Features: High precisions 4mm banana plug test probe features a hardened piercing tip for effortless insulation penetration, ensuring secure conductor contact without wire stripping, ideal for multimeter accessories and electrical testing tools. Constructed with nickel plated copper cores for optimal conductivity and PA reinforced PVC sleeves, this back probe includes anti slip grips and voltages warning labels for enhanced safety. Designed for electricians, automotive technicians, and electronics engineers requiring circuit diagnostics in workshops, laboratories, or field maintenance environments. Perfect for voltages/current measurements on insulated wires, PCB troubleshooting, automotive wiring harness inspections, and appliance repair scenarios where testing is critical. The ergonomic 116mm body combines balanced weight distribution with textured handling zones, delivering precisions control during prolonged use while protecting wire integrity in multimeter test leads applications. Specifications: Component: Nickel plated brass, PA Size: about. 116mm/4.57in Voltages: 1000V Connection methods: 4mm plug Package Includes: 1 Pair Piercing Probe note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.