Klein is the only major tool manufacturer worldwide focused on electrical and utility applications. No other manufacturer of hand tools and related products used in electrical applications makes more …

For over 160 years, Klein Tools has remained dedicated to professional tradesmen worldwide, with a commitment to manufacturing the world's finest hand tools right here in America.

Klein is a family owned and operated corporation based in the Chicago area since 1857

Here at Klein Tools we are always innovating in our mission to provide professional tradespeople with tools and solutions that enable the highest levels of performance and safety. Check out the latest …

From electrical testers to clamp meters and all the specialty testers in between, Klein's test and measurement tools are designed to make reading measurements on jobsites as simple as possible.

For over 160 years, Klein Tools has remained dedicated to professional tradesmen worldwide, with a commitment to manufacturing the world's finest hand tools right here in America.

Klein Tools is committed to American Manufacturing, since 1857. For over 160 years, Klein Tools has remained dedicated to professional tradesmen worldwide, with a commitment to manufacturing the …

Klein is the only major tool manufacturer worldwide focused on electrical and utility applications. No other manufacturer of hand tools and related products used in electrical applications makes more …

Some projects are more complex than others and require a variety of tools to be used. For this reason, Klein has tool kits to assist professionals with these demanding projects.

Regardless of the job at hand, Klein Tools’ multimeters are designed to quickly measure voltage, current and resistance with ease. Built to withstand jobsite conditions and available in multiple different …