Wiha is a division of the American corporation Willi Hahn Corp., a major manufacturer of professional hand tools. The product range includes: nozzles, wrenches, hexagons, tweezers, insulated tools, dynamometers, screwdrivers, wire cutters, crimping tools, drills and much more.

Wiha's production offices are located in the USA, Germany, Great Britain, France, Spain, Switzerland, Poland and Vietnam.