GmbH
35509 is part of Wiha International GmbH, a manufacturer of professional hand tools based in Schonach, Germany. Wiha is an acronym for Willi Hahn Corporation and manufactures a wide range of tools, including screwdrivers, socket sets, pliers, wrenches, ratchets, hex keys, nut drivers, and other specialized tools. Wiha tools are known for their high quality and precision, and are used by professional tradespeople in many different industries. The 35509 model is a Wiha Professional Square Drive Bit Socket set that includes 5 different sizes of bit sockets (3/16", 1/4", 5/16", 3/8", and 1/2") and comes packaged in a blow molded storage case. The bits are made from chrome vanadium molybdenum steel and are precision machined for fitment with power tools as well as manual tools. This set is ideal for use when working on nuts, Fixture nuts, screws and bolts, and is an essential addition to any professional tool kit.