17/19/22Mm Metric Combination Wrench CR-V Steel 12-Point Box Open End Spanner

The open/box end wrench made from chrome vanadium (CR-V) steel offers a combination of high strength, high hardness, corrosion resistance, good toughness, wear resistance and durability. The surface is treated with a black electrophoretic coating, which is wear-resistant, scratch resistant, and has excellent rust prevention properties. It can effectively prevent oxidation and corrosion, ensuring long-term durability. Multi-purpose wrench combines an open end and a 12-point box end. The open end is suitable for narrow working environments and supports multi-angle operation. The chamfered design of the jaws makes it compatible with corroded and worn bolts. The 12-point box end offers larger contact area with nuts for more uniform torque transmission, effectively protecting bolt corners from damage. Versatile wrenches are widely used in DIY projects, car repairs, home appliance repairs, pipeline repairs, mechanical repairs, etc. This tool has diverse functions, is reliable, and suitable for various manual repair and assembly scenarios. It is a must-have for beginners and professionals. Choose the appropriate wrench according to the size of the bolts you need to tighten or loosen. Sizes that are too large or too small will cause inconvenience in work and even damage the tool and bolt.