Features: 

· High-quality material: Forged from premium chromium-molybdenum steel and cold-heading heat-treated for excellent hardness, impact resistance, and durability.

· Durable surface finish: Phosphated coating improves explosion-proof performance, enhances impact resistance, and is treated with anti-rust oil for long-lasting corrosion protection.

· Secure socket hold: Four-wheel drive arc inner corner design provides strong locking force, reducing slippage during use.

· Heavy-duty design: Thickened construction suitable for pneumatic and electric tools, delivering superior torque, impact resistance, and extended service life.