- Durable material: With nickel plated brass and ABS, these test hook clamps have unmatched conductivity and are not prone to bending or deformation, ensuring long-lasting performance. - Test accuracy: Our test hook clip is designed for accuracy and precision and operates in an impressive voltage range of up to 600V CATII. With an operating temperature range of -40 to 100 and a current of 3A, it provides high safety performance to adapt to different test environments. - Easy testing anywhere: With convenient hook design, the end is equipped with a retractable spring to ensure the stability of the tests and stays firmly stuck for accurate results. - Efficient connectivity: Connect seamlessly with our test hook clip with a 4mm female connector on the end P30056B that works with various 4mm connectors. The 2mm inner spring cylinder is perfect for use with 2mm multimeter probes, making your testing process effortless. Use scenarios: - Automotive electrical troubleshooting and general electrical testing in workshops where up to 600V CAT II may be encountered. - Electronics bench work using 2mm multimeter probes and 4mm connectors for precise measurements. - Field service and on-site testing where a stable contact and quick setup are required for accurate results.