- Back probe test leads with flexible copper wires and copper alloy alligator clips. Cable length: 3.3 ft. Banana plug: 4 mm. Rated current: 5 A. - Five-color stainless steel back probes with ultra-thin needles (0.07 mm). Measured at three different angles for versatile access. Designed to pierce insulation with minimal risk of damage. - Wire test tips connect easily to 4 mm banana plugs. Suitable for piercing wires without stripping cables. Textured, non-slip design for comfortable and reliable use. Probe length: 20 mm. Voltage rating: 30 V. - The ends of the crocodile clips are compatible with 4 mm banana plugs, ensuring secure connections. - Five colors for easy identification during testing. Maximum opening: 15 mm. Voltage rating: CAT II 300 Vac / 15 A. Use scenarios: - Automotive electrical testing: probe wiring harnesses and measure signals without removing insulation. - Electronics repair and prototyping: access internal wires by piercing insulation with minimal cable damage; use multiple angles for tight spaces. - Electrical maintenance and diagnostics: quick, color-coded testing with stable banana plug connections for accurate results.