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.

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.

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 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 …

From small tool bags to large, and everything in between, Klein has designed a wide range bags in order to make carrying tools between jobsites as easy as possible.

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.

Klein Tools MM700 Multimeter is an automatically ranging true root mean squared (TRMS) digital multimeter that measures AC/DC voltage, AC/DC current, and resistance. It can also measure …