With the slogan "from the car for the car" Friedrich Lehnert in 1977 established the company Lehnert Tools.

The company started with the sale of American tools distributed from sales vehicles. After 3 ½ years Lehnert converted to distributing German high quality tools. Tool manufacturers such as Stahlwille, Wiha, Bosch, and CP are just some of the quality brands catered to.

The Lehnert company policy is to ensure "complete customer satisfaction" by providing their clients with a range of services inclusive of high quality precision engineered tooling.

1984 saw offices and sales rooms established in Heilbronn Germany and a campaign began to formulate with major tool manufacturers solutions to automotive tooling for diagnosis and repair.

Emphasis on emerging new technology within the field of the pollution-control technology was also developed and with intensive dialogue and cooperation with clients, Lenhert Tools is now an established specialist, so that for almost any automotive problem, a tool can be located and supplied to clients in the shortest possible time.

1993 saw intensive co-operation with the Fiat Automobile AG company of Germany, (pioneers in Common-Rail injection systems), and development of specialist tooling for this type system began.

In the following years numerous special tools and testing kits were developed with the association and close co-operation from Fiat. Various safety device kits, body clips, gas pressure gauges, hose clips, cabling tool kits, measuring cables for engine testers and much more have been introduced into the automotive diesel diagnostic and repair market.

Lehnerts newest product for diagnostics of the new generation of Common-Rail engines has now been released to the automotive industry.