MST-101 Automotive Electric-Magnetic Faults Indicator Testing Pen
Precision-engineered with high-sensitivity electromagnetic sensors for rapid fault detection in ignition systems. Features a durable ABS housing with anti-slip grip for secure handling in tight engine compartments. Integrated buzzer provides instant audible alerts for voltage fluctuations or wiring issues. Ideal for diagnosing spark plug misfires, distributor faults, and short circuits in cars, motorcycles, and small engines. Compact pen design ensures portability for roadside repairs or professional garage use. Backed by rigorous QC testing for consistent accuracy. Bulk order discounts available—global wholesale pricing guaranteed.