6/12 Volts Heavy Duty Circuit Tester

These Circuit Testers feature an extra long wire that stretches up to 12 feet for use, then automatically retracts. Quickly and easily check electrical circuits and accessories on 6 and 12 volt systems. Great for use on cars, trucks, boats, trailers, motorcycles, airplanes and snowmobiles. Super sharp probe. A heavy-duty ground clip with insulator is on one end of the retractable wire and a spring supported strain relief is on the other. The bulb is easily replaced.