4cm

AERMOTOR Digital Automotive Power Probe Circuit Electrical Tester Device System. 1 Circuit Tester. Long test lead: The cable length is about 16ft which allows you test any electrical system easily.

6-48V Automotive Digital Power Probe Circuit Electrical Tester Device System. 6-48V Digital Automotive Car Power Circuit Electrical Tester Probe Test w/ Light. US 6-36V Automotive Digital Power Probe Circuit Electrical Tester Device System.