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 comfort table 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.