Excellent DesignUpgraded double insect design can join tightly, not easy to fall off, and better grip. Crowbar at the bottom, versatile use. Use with self-locking function, easy to use and improve productivity. An average adult can easily finish what you want with one hand with this wrench.High Quality: Made of 45 high carbon steel, quenched and forged, with high hardness, good toughness and a great couple. The hardness can reach HRC 48-52. Special anti-rust surface electrophoresis treatment.Features: 380mm long large key, 260mm small key; capacity: 3 - 6.1 cm (L) and 1.5 - 3 cm (S), it can be used on pipes, screws, nuts and so on.Ergonomic handle: ergonomic handle Made of TPR secures your grip at its strongest point and keeps the user's wrist in a normal position to reduce strain and improve productivity on the job.ApplicationCan be used for automobiles , tractors, oil filters, glue gaskets, shower heads, fuel filters, jar openers, PVC intersections, bottles, faucets, water filters, sinks, faucets and many other items.More details:Two universal wrenches that fit many types of water pipes, bolts and nuts with self-locking function.Made of industrial grade steel, with high hardness, good toughness and large torque.Designed according to the principle of ergonomics, without effort and comfortable to use.Reinforced rivets for a tight connection, not easy to fall off. Non-slip design, strong tension.Multi-function and universal wrench set is perfect for plumbing, carpentry, mechanics and gardening work.Features:Material: Premium Carbon Steel.Type: Adjustable Wrench.Dimensions: 380mm and 260mm length.Capacity: 14mm-60mm.Color: yellow and black.Quantity: 2 pieces.Weight: 0 .4 kg and 0.8 kg.Package dimensions: 40 x 11.5 x 3.5 cm.Contents:1 15" self-adjusting electric wrench.1 10" self-adjusting electric wrench.