High Quality: This hex wrench is made of high-quality chrome vanadium steel, rust-proof and waterproof, durable, not easy to scratch or damage, with a corrosion-resistant color coating, and has a long service life. Easy to Carry: This hex wrench is not easy to break. To prevent the product from slipping, a convenient box is provided for safe storage and quick selection of wrenches. Easy to Distinguish: The color of the hexagon of each ball is inconsistent, the color is easy to distinguish, not easy to lose, the size of the wrench can be quickly identified, clearly visible, and the work is fast and efficient. Special Design: Short head and flat head design, with a larger force-receiving area and more labor-saving. The ball head is designed as a long end, which can be tilted for a 25 gap or a narrow space. Wide Range of Uses: Used to disassemble and install most hexagon socket screws in cars, furniture, equipment, etc., and can be used for repairing cars, bicycles, musical instruments, etc.