S&G Tool Aid 27300, Heavy Duty Circuit Tester with Retractable Wire

Features an extra long wire that stretches up to 12 feet for use, then automatically retracts

Great for use on cars, trucks, boats, trails, motorcycles, airplanes and snowmobiles

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

For 6 and 12 volt vehicles