Chrome plated carbon steel for torque, strength, and durability. | Lug sizes included: 17mm(11/16"), 19mm(3/4"), 21mm(13/16"), 22mm(7/8"). | Simple and instinctual application, compact and easy to use. | America's premier professional tire wrench for cars, light trucks, SUVs, RVs and vans. | Folding design for easy storage, suitable for your vehicle's roadside emergency kit.