This Beta 000424509 wrench is a combination spanner made of steel. It measures 127mm in length and features a 9mm spanner size head. It is designed to fit metric fasteners like nuts and bolts. This wrench is ideal for areas where small spaces are a factor, such as when working on heating systems, air conditioning systems, refrigeration systems, and other machinery or appliances. Its durable steel construction is designed to provide optimal strength and longevity.