The Extech TL808-KIT is a professional-grade 8-piece test lead set designed for high-voltage safety and versatile use in electrical testing. Includes two 42-inch PVC lead extensions with shrouded banana plugs, UL listed for CAT III 1000V protection. The kit features modular heavy-duty test probes, insulated alligator clips, and large piercing clips with jaws up to 0.8 inches. Comes with a sturdy carrying case for organized storage of test leads and additional meters, making it suitable for technicians and engineers in industrial and electrical applications.