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 …

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

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.

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 …

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 …

For 168 years, we've built tools that built America — from the first telegraph lines to today's digital infrastructure. At Klein Tools, innovation and heritage go hand in hand — crafted with pride, …

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

Klein Tools’ line of insulated tools combine excellent functionality along with the reducing of risk of injury in situations where a tool might make contact with an energized source.