Multi-functional universal wrench double-ended box wrench sizes 3-17mm/8-22mm black suitable for various nut sizes

name:universal wrench toolMultifunctional Nut Torx WrenchDouble self-tightening universal wrenchauto repair tool quick wrenchMulti-purpose installation and removal toolSpecifications: Product Name: Universal wrench Color: Black, Silver Material: Chrome vanadium steel Thickness: 7mmUse rane: 8-22mm Weight: 0.25kgPacking list:1*8-22mm double head self-tightening multifunctional wrench Note: 1.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2.Please allow 1-2 cm differs due to manual measurement.Thanks for your understanding.Characteristics：1. Two ends self-tightening multifunctional wrench, high quality and exquisite workmanship make it have high hardness and high torque. Good abrasion resistance makes it very durable and reliable.2. Unique tooth design makes your work more convenient. And the specially treated surface makes it not easy to rust.3. Made of high quality steel, it is very durable to use.4. Applicable to maintenance-related industries such as mechanical engineering, machine repair, automobile maintenance, etc.