The OEMTOOLS4-Way Folding Lug Nut Wrench, No. 20563, features collapsible arms for compact storage. The wrench's heavy duty, drop-forged steel construction is chrome plated to resist rust. The four socket sizes fit SAE and Metric lug nuts standard on most passenger vehicles, according to the company. This wrench is designed with socket sizes 11/16", 3/4", 13/16" and 7/8". This folding lug nut wrench is designed as a space-saving alternative to a standard lug nut wrench.