Insulation piercing test clip: provides reliable insulation piercing performance for accurate, efficient testing. Designed to save time and effort when accessing conductors inside insulated automotive wires. Piercing test clip for automotive wiring: specifically designed to pierce wire insulation to enable direct automotive electrical measurements without wire stripping, providing clean contact for readings. Automotive probe with steel and rubber construction: part of a multimeter test probe set built with durable steel and rubber materials to ensure longlasting reliability in workshop use and steady probe contact. Piercing clip test probe: versatile design combines piercing clip and probe functionality and is compatible with a wide range of multimeters, enabling flexible use across different brands and models. Use scenarios Invehicle diagnostics: quickly access conductors inside engine harnesses or dashboard wiring to measure voltage, resistance, or continuity without removing insulation. Inline circuit testing during installation or : pierce insulation on installed wires to verify circuits and ensure correct operation without disassembly. General multimeter testing in automotive settings: use with various meters to perform voltage checks, resistance measurements, or continuity tests on insulated automotive wires.