Features: Foldable cross wrench adopts quality chrome-vanadium steel material with high hardness and high torque, sturdy and durable; Foldable cross wrenchs are corrosion-resistant and not easy to rust; Folding lug wrench designed with polished surface, will not deformation or break easily. This 4-way wrench available in 4 different sizes of 17 mm, 19 mm, 21 mm, 23 mm to meet your different uses; Folding design allows for easy storage; Specifications: Material:Chrome-vanadium Steel Hardness:25-35HRC Socket:17mm, 19mm ,21mm, 23mm Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Folding Lug Wrench