Features: Expandable 4mm banana plug test leads offer universally compatibility with multimeters, testers, and lab equipment, featuring nickel plated copper connectors for superior conductivity and PVC ensuring safety up to 1000V/15-32A. The retractable plug design minimizes space for easy storage, while the flexible silicone cable resists tangling and withstands repeated bending in demanding environments. Essential for electronics engineers, industrial technicians, and educators requiring reliabled connection for precise measurements in circuit analysis and equipment calibration. Optimize electrical testing workflows in laboratories, repair workshops, and educational institutes with secure banana plug connection that prevent signals loss during voltages/current measurements. Engineered with two layer insulation and anti corrosions terminals, these professional multimeter accessories maintain stable performances across extreme temperatures and intensive daily use. Specifications: Metal Parts Component: nickel-plated copper Sheath Component: pvc insulation Voltages: 1000V Current specification: 15-32A Line Length:Approx.1m/39.37inch Hole Diameter:Approx.4mm/0.15inch Package Includes: 1 Set 4mm Banana Plug Test Leads note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.