The Proto Challenger by Proto Combination Wrench 1-1/8″ #6136 is a high-quality hand tool made in the USA. This single 12 point drive type wrench is designed for automotive use and features SAE measurements. With a size of 1-1/8 inches, it is a reliable and durable addition to any toolbox. Although it does not come with a warranty, this product is known for its American craftsmanship and attention to detail.