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• Industrial-Grade High-Strength Material – Crafted from premium chrome vanadium steel with quenching and tempering treatment, reaching HRC 42-45 hardness. Resistant to wear, deformation, and corrosion, ensuring long-lasting performance even in harsh working environments.

• Thickened & Strike-Ready Design – Extra-thick wrench body and reinforced head structure bear direct hammer strikes without breakage. Perfect for loosening rusted, seized, or over-tightened bolts and nuts in heavy-duty applications.

• Dual-End Versatility for Maximum Efficiency – Combines open end for quick fastener fitting and 12-point box end for full-contact grip, preventing slipping and protecting fastener heads. Reduces tool switching time during mechanical repair and equipment maintenance.

• Professional Anti-Rust Surface Finish – Available in black oxide or electroplated coating, effectively repelling moisture and dust. Ideal for use in mining, petroleum, construction, and shipbuilding industries where tools face tough conditions.

• Factory Wholesale with Customization Options – MOQ of 50 pieces per size, mixed orders acceptable. Support logo printing, size customization, and color coating to meet your brand needs. 12-month warranty against manufacturing defects.