Description:1. This handy space saving wheel nut wrench is a must have tool for every car owner.2. This wheel master wrench extends to nearly twice its size for super performance on tight nuts.3. It is ideal for professional use or just as a compact solution to keep in your car in case of emergencies.4. High torque extending handle for easy use and extra leverage power.5. Strong, light and compact construction.Specification:Size: 17,19, 21, 23 mmThickness:Approx.1.06''/2.7cmMaterial:Stainless SteelNote: Please allow 1-2cm measurement error.Thanks!