1. Made of S2 alloy steel, surface red heat treatment, improves hardness, rust and durable, wear.2. Flag type design, non-slip handle, and stronger grip, make the work more convenient and comfortable. The handle is marked with specifications for easy identification.3. Widely used in machine tools, mechanical equipment, glasses, computers, mobile phones, and other equipment for plum nut fastening or loosening.4. Using mismatched screwdriver bits can easily damage screws. Use a tool that matches the screw size to remove and install the screw.
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