Durable insulation-piercing connector with broad compatibility and precise performance - Heavy-duty insulation-piercing macro-hook (E-Z-Macro-Hook) design for reliable connections in tight spaces. The housing is molded nylon and the piercing needle is nickel-silver alloy. Total hook length: 5.5 inches (138.97 mm). - Insulation-piercing needle on the contact blade pierces most 12-22 AWG wire or a maximum wire diameter of 0.14 inches. Fast, contact without stripping insulation. - Banana plug accepts and connects to a standard 4 mm female banana socket (jack). Wide compatibility with common test equipment. Use scenarios - Automotive and motorcycle wiring diagnostics: quickly access test points in harnesses without removing insulation or disassembling components. - Electronics bench testing: establish a temporary, secure connection to small gauge wires (12-22 AWG) for measurements and troubleshooting. - Field service and equipment maintenance: connect to banana jack inputs on test gear and control panels for on-site checks and verification. Key attributes at a glance - Function: insulation-piercing contact with a standard 4 mm banana plug connection - Compatibility: supports 12-22 AWG wires, up to 0.14 in diameter; standard 4 mm banana sockets - Size: total hook length 5.5 inches (138.97 mm) - Material: molded nylon housing; nickel-silver alloy piercing needle - Performance: durable, reliable piercing contact for quick setup and repeat use