This Hyper Tough make changing tires simple and quick to get you back on the road. This tool is recommended to use by keeping in your car or truck just in case you need to change your spare tire. This 4-way wrench uses both metric and SAE measuring in both millimeters and inches (17mm (11/16"), 19mm (3/4"), 21mm (13/16"), 22mm (7/8") and works for most cars, SUVs, pick-ups and vans. The entire piece is 20-inch long and painted black. Its classic machine welded-cross design allows for two-handed leverage to break loose the most stubborn lug nuts.