Product name: Double-ended box wrench Product size: 22cm/8.66 in 27cm/ 10.63 in Product color: black sliver Product material:steel Product features: 1. Double-headed design: This wrench features a double-headed design, providing versatility and allowing for various applications. 2. Multifunctional: With its multiple functions, this wrench can be customed for a wide range of tasks and repairs. 3. Anti-slip feature: The wrench is designed with an anti-slip face, ensuring a secure grip and preventing accidents during use. 4. Self-tightening capability: The wrench has a self-tightening mechanism, which allows for easier and more efficient tightening and loosening of nuts and bolts. 5. Adjustable: This wrench is adjustable, making it suitable for different sizes of nuts and bolts, adding to its versatility and usability. Precautions: 1. As we know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1 pcs Double-ended box wrench