The Klein RT310 AFCI /GFCI Outlet Tester is a reliable and high-quality diagnostic service tool designed by Klein Tools. This product comes with a manufacturer's warranty, ensuring its durability and functionality. The RT310 model is specifically designed for testing AFCI (Arc Fault Circuit Interrupters) and GFCI (Ground Fault Circuit Interrupters) outlets, making it a must-have tool for automotive professionals and electricians. With its brand reputation and reliable performance, the Klein RT310 is a trusted choice for electrical testing and troubleshooting.