This Amtech 18" Flexi Bar Socket Wrench is made from heavy-duty, hardened, and heat-treated steel, making it ideal for undoing or tightening bolts and nuts, such as car wheel nuts. The bar features a rubber comfort grip handle for ease of use. It has a 1/2 inch drive and a length of approximately 18 inches (450mm). This tool is suitable for various automotive and general garage applications.