Features: Super quality test pen can quickly and easily check electrical circuits of car, truck, boat, trailer, etc. Heavy duty ground clip and insulator is convenient, safe and reliable to use. Especially designed long probe is acuminate enough to simply pierce wire insulation to check circuitry. Flexible wire design enables itself to stretch for use and then automatically retract. It is utilized to check electrical circuits and accessories on all 6V and 12V systems. Specifications: Condition: Brand New Material: Brass Color: Shown as picture Test Voltage Range: 6-24V Fitment: Universal Package List: 1 * Test Pen Package List 1Super quality test pen can quickly and easily check electrical circuits of car, truck, boat, trailer, etc. 2Heavy duty ground clip and insulator is convenient, safe and reliable to use. 3Especially designed long probe is acuminate enough to simply pierce wire insulation to check circuitry. 4Flexible wire design enables itself to stretch for use and then automatically retract. 5It is utilized to check electrical circuits and accessories on all 6V and 12V systems.