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 …

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

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.

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.

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 …

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 …

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 …

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 …

When Americans started relying on electricity every day, Klein Tools was there to support electricians and linemen while they kept pace with the booming trade. We were there for both …

Explore Klein Tools' comprehensive catalog for high-quality tools and accessories designed for professionals in various industries.