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 9mm to 32mm 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 grip: 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 turn, you just have to let go and keep tightening or loosening, not like the life spanner that needs adjusting once in a while Adjustable wrenches have a narrow head design for limited space applications and laser marked SAE and metric scaled jaws for easy bra sizing It had two screws completely turned by 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, technical maintenance, mechanical maintenance, etc. Specification Material: Chrome vanadium steel + TPR Large key: 280mm (23-32mm) Small key: 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. According to the different monitors and light, please allow a slight color difference.