The Vintage NOS Proto Professional 4” adjustable wrench #7040 made in USA is a high-quality hand tool perfect for automotive and industrial applications. This single piece wrench is designed to meet the SAE system of measurement standard and is manufactured by the reputable brand Proto in the United States. With a 4" size and precision craftsmanship, this adjustable wrench is a reliable and durable tool that will surely be a valuable addition to any toolbox.