Preferred material: Made of high carbon steel, forged alloy steel body increases strength, high torque, good toughness, not easy to slip, durable Universal size : A total of 3 jaws for nuts from 9 to 32 mm in diameter with a two-head design, adjusts quickly and efficiently for worry-free nuts by choosing the right size Equipment design: The bite is tight, the hook and the handle are connected by reinforced rivets, and the surface is painted and painted, which is not easy to oxidize TPR non-slip handle: ergonomic and non-slip keys are good enough, they have a bi-material handle for a comfortable grip Widely used: Ideal for automotive maintenance and repair, coiled tubing and nuts, plumbing and general assembly tasks Features When you catch the "trick", you just have to let go er and keep tightening or loosening, not like the lifetime wrench that needs adjustment once in a while Adjustable wrenches have a narrow head design to limited space applications and SAE laser marking and jaw scale metric for easy bra sizing It had two screws completely turned by d other keys and with the teeth and grip of this key it was possible to loosen it. Even with totally round nuts, almost without force Multi-functional design, can be used as a wrench or pipe wrench, easy to repair at home, outdoor maintenance, maintenance technical, mechanical maintenance, etc. Specification Material: Chrome vanadium steel and TPR Big wrench: 280mm (23-32mm) Small wrench: 220mm (9-15mm and 16-22mm) Surface treatment: chrome polishing 2-3cm difference exists due to different measurement way, please confirm the detailed size before ordering, thanks for your understanding cooperation. Due to the different monitors and light, please allow a slight color difference.