Back probe set with three probe tips (90, 135, and straight) for versatile measurement access in tight spaces. The stainless steel needle has a diameter of 0.07 mm, allowing light piercing with minimal risk of damage during measurement. Crocodile clips are made from high-quality material and compatible with 4 mm banana plugs. Five colors provide easy signal identification during testing. Maximum jaw opening is 15 mm. Rated for 300 V AC and 15 A. Package contents include 5 copper test leads with banana plugs to crocodile clips, 15 back-probing pins in 5 colors, 2 crocodile clips, and 2 extension probes. Quantity is suitable for daily use. Typical use scenarios: - Automotive wiring diagnostics: access wires inside connectors without removing housings, using the back-probing pins and slim 0.07 mm needle for minimal invasion. - Electronics bench testing: organize measurements with color-coded leads, extend reach with extension probes, and connect to 4 mm banana plugs for reliable test points. - Education and prototyping: convenient for classroom demonstrations and hands-on learning with multiple colored options and compatible accessories.