Thin and hard stainless steel needle: the needle is designed to be extremely thin and hard, allowing it to prick the cable sheath without splitting it. Wide range of applications: suitable for auto maintenance, telecom testing, construction site testing, and other cable nondestructive testing. Antibreakage soft handles and copper needles: equipped with soft antibreakage handles and copper needles, these test probes provide better sensitivity and manipulability during testing, with durable materials. Compatible with banana and post ties: designed to be compatible with banana plugs and post ties, offering convenience and versatility for multimeters. Use scenarios Automotive maintenance: diagnose wiring harnesses and electrical connections in vehicles without damaging insulation, enabling quick localization of faults. Telecommunication testing: verify continuity and integrity of lines in equipment cabinets or field installations, supporting nondestructive inspection. Construction site testing: perform nondestructive cable testing for power and data cables in harsh environments, aiding onsite troubleshooting and verification. Key attributes Function: pricks cable sheaths with minimal damage, enabling nondestructive testing. Compatibility: works with banana plugs and post ties for easy integration with common meters. Size and material: ultrathin, hard needle made from stainless steel; antibreakage soft handles and copper needles for durability and precision. Performance: enhanced sensitivity and handling during testing, suitable for a variety of cable assessment tasks.