Description: 【Jaw Range: 8 - 22 mm】This double headed wrench features two size ranges. Fits for 8-13mm and 14-22mm bolts nuts screw. This unique design greatly enhances the versatility of the wrench, meeting your various needs. 【Convenient Design】This universal wrench is compact and lightweight, allowing you to carry it with you, you can easily tighten or loosen more bolts by simply flipping the wrench over 【Durable】The adjustable Spanner made of steel offers high hardness and durability, ensuring normal operation even after long term use. 【Multifunctional】The double end multifunctional universal wrench for a variety of screws and nuts, a flat opening, protects the screws and nuts, and reduces friction. 【Wide Application】This versatile 8-22 mm wrench is suitable for mechanical engineering, machine repair, auto repair, and other related maintenance industries. Specification: Length: 16cm/6.30inch Thickness: 3.5mm/0.14inch Package Includes: 1 Universal Wrench(5 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.