S&G / Tool Aid 27300 H.D. Circuit Tester w/ 12' Retractable Wire & Battery Clip

Features 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. Heavy duty ground clip with insulator. 3 1/4" standard length probe