In the same year, the jointing surfaces for the production of hand tools in dies are invented and a newly designed pair of pliers with compression spring adjustment is added to the production programme.
In 1909, the "Blitzzange" (lighting pliers) symbol is registered as a quality and word mark as an invention of the Zerver company. Pipe cutters in various designs and pocket adjustable wrenches are added to the growing range of products.