Klein Tools has been synonymous with Electrician's Hand Tools for a long long time. Founded in 1857 Klein Tools has been manufacturing in the USA for that whole time, continuing to reinvest in American manufacturing a majority of Klein Tools continue to be made in the USA today. Still known for their pliers the line has expanded greatly to drivers, cutters, meters and with the continues developmental of new innovations we now have Coolers, Bluetooth Speakers and a wide range of prodcuts for on the job and off. Klein continues to be the name professional trust.