Our selection of wrenches includes many Hitachi wrenches. The most common model is a Hitachi impact wrench, but even individual impact wrenches can vary with the types of features offered, such as a square drive and power up to an impact wrench 18 volt model. The Hitachi wrench designs include both cordless and corded wrenches, all of which are impact wrenches. Cordless Hitachi wrench designs use a lithium ion battery for power. Out of the selection of wrenches to choose from, Hitachi wrenches are known for high quality, and an impact wrench, including all Hitachi models seen here, is used for setting nuts and bolts for heavy duty jobs.