Willi Hahn Corporation USA dba Wiha Tools is a wholly-owned subsidiary of Wiha Werkzeuge Gmbh Schonach, Germany. Founded in 1939, Wiha has carefully crafted its tools to meet the needs of professionals in every trade. With over 80 years of manufacturing experience, Wiha has become a world leader in the production of premium quality German hand tools with a focus on application-driven design, engineered specifically for professional tradespeople. Wiha Tools are built to perform and built to last.