The Sealey AK402 Circuit Tester is a versatile diagnostic tool designed for testing 6V, 12V and 24V DC electrical circuits commonly found in automotive, marine and light commercial vehicle applications. This lightweight circuit tester provides reliable continuity testing, making it an essential addition to any automotive technician's or mobile mechanic's toolkit. The insulated pointed probe is designed to penetrate wire insulation, allowing for quick circuit testing without the need to strip back cables or expose bare conductors. This feature saves time during diagnostic work and helps maintain the integrity of existing wiring systems. The tester comes complete with a 1.5m cable and crocodile earth clamp, providing sufficient reach for testing circuits throughout vehicle engine bays and electrical systems. At just 0.11kg, this compact circuit tester is easy to handle during extended diagnostic sessions and convenient to store in tool bags or vehicle service kits. Features and Benefits: