4 1/2"-6 11/16" Hand Tool Ch rome vanadium adjustable square wrench and round ring wrenchOOTDTY Features: There are 2 types, square and round heads, choosing according to your working habits. The C ring wrench is equipped with a movable head for easy size adjustment, and the end has a round hole, convenient to carry out and store. Precision machined slip jaw and worm gear enable accurate fastener fit and stepless adjustment, can minimize the risk of damage to shafts and nuts, saving time and labor, making life easier. Widely used in various industries to fasten or disassemble round nuts on machine tools, vehicles and mechanical equipment. Made of vanadium rome material, after heat-resistant treatment, more . Specification: Material: Rome Vanadium Size: 250mm/ 9.84 inch, 300mm/ 11.81 inchPackage Included: 1 x Wrench HookNote: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.