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 Tools is still part of the American way today. We are the tools that power America's passion. This year, we're going behind the scenes at iconic events to showcase the Klein-equipped professionals …

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 …

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 possible.

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

We are here to help! Do you have a question about a tool? Are you having an issue or did something break? Are you a distributor that needs help with an order? Answer the questions on this page to …

Klein provides a wide range of knives, scissors and other cutting tools for professional applications across all trades.

For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade electricians' tools that deliver the performance, durability and precision needed to get the job done right.