The MAC Tools ET 125C 6-12 Volt Circuit Electrical Tester is a high-quality diagnostic tool made in the USA. With a length of 5ft, this tester is designed for continuity testing in automotive electrical systems. Certified by Mac Tools, a trusted brand in the industry, this product offers reliable performance for checking electrical circuits operating on 6 and 12 volts. Made in the United States, this electrical tester ensures accurate testing results without the need for any modifications. Perfect for automotive professionals looking for precision and durability in their diagnostic tools.