The pure copper crocodile test clip is made of high-purity copper with excellent conductivity, suitable for high-voltage and high-current test scenarios. The 20mm opening design has strong clamping force and is compatible with a variety of test objects; the 4mm plug-in interface is easy to connect and ensures stable signal transmission. The clip is equipped with a safety sheath to prevent accidental electric shock and is safer to use. It supports a maximum current of 50A and is suitable for battery testing, power supply testing, industrial equipment testing and other fields.