Telescoping Lug Wrench, Extendable Wheel Brace Lug Nut Wrench Tire Repair Tool with 17/19 and 21/22mm Double-Ended Sockets. Lug wrench is socket wrench specifically used to tighten or loosen a lug nut that is found most commonly on tires. They are typically stored in the trunk of a vehicle in case of an emergency, like a flat tire, but they are also very useful for professional mechanics who use the tool regularly. Made of hardened Chrome Vanadium Steel, lug wrench wheel brace wrench has a 23 telescoping 1/2 drive wrench, which is able to handle all size lug nut applications. Along with the handy (and protective) storage bag, this tire wrench is easy to store in a vehicle but still can give the length to provide the leverage you need to tackle stubborn bolts. Extendable Design: The main handle of lug wrench tire repair kit can be extended from 390 mm to 550mm for maximum leverage, which can greatly improve your work efficiency and labour saving. Hardened steel. Made of heavy-duty Chrome Vanadium Steel, this telescoping extendable wheel brace wrench is durable enough to be a perfect replacement for your standard lug wrench. 2 Sockets & 4 Sizes : 2 double-ended sockets with 4 different sizes, 17mm (11/16"), 19mm(3/4"), 21mm(13/16"), 23mm(7/8"), fitting 98 percent of the automobile. You can choose the size of the socket according to your car.