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 Mobile Thermal Imager transforms smartphones into professional thermal imaging cameras with 19,200-pixel resolution. This compact thermal imager is designed to capture hot and cold spots …

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

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

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 …

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 world wars, as …

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.

Life at Klein Internships Klein Leadership Program Welcome to the Klein Tools contact center. How can we help? What type of user are you? I am a customer Trade professional, DIYer, etc..

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.